Physical Geography- Landforms Test
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Which of the following landforms are found in the floodplains of humid areas?
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Natural levees, oxbow-shaped lakes
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Mesas, buttes
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Dunes, arroyos
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Natural levees, washes
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Explore key landforms with the Physical Geography- Landforms Test, focusing on features like natural levees, oxbow lakes, and moraines. Assess your understanding of processes like chemical and physical weathering, and the formation of loess and alluvial fans.
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- 2.
Oxidation, hydrolysis and carbonation are typically associated with _______
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Chemical weathering.
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Diastrophism.
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Mechanical weathering.
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Volcanism.
Correct Answer
A. Chemical weathering.Explanation
Oxidation, hydrolysis, and carbonation are all processes that involve the chemical breakdown of rocks and minerals. Oxidation occurs when certain minerals react with oxygen, causing them to change composition and weaken. Hydrolysis is the reaction of minerals with water, resulting in the formation of new minerals and the breakdown of existing ones. Carbonation is the reaction of minerals with carbon dioxide, leading to the formation of carbonate minerals. All of these processes are examples of chemical weathering, which involves the alteration of rocks and minerals through chemical reactions.Rate this question:
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- 3.
What feature results from deposition of alluvium as a stream leaves a mountainous area to flow across a lowland?
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Alluvial fan
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Delta
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Tombolo
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Spit
Correct Answer
A. Alluvial fanExplanation
When a stream leaves a mountainous area and flows across a lowland, the water slows down and loses its energy, causing it to deposit the sediment it carries. This deposition of sediment forms a fan-shaped landform known as an alluvial fan. Alluvial fans are typically found at the base of mountains or hills and are composed of coarser sediment near the source and finer sediment farther away. They are created by the continuous accumulation of sediment over time and are a result of the stream's changing velocity and gradient as it transitions from a steep mountainous area to a flatter lowland.Rate this question:
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- 4.
A hilly depositional feature formed when a glacier melts is a
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Cirque.
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Col.
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Moraine.
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Tarn.
Correct Answer
A. Moraine.Explanation
A hilly depositional feature formed when a glacier melts is a moraine. When a glacier melts, it leaves behind a variety of debris and sediment that it has picked up and carried along. This debris accumulates and forms a hilly feature known as a moraine. Moraines can be found in various shapes and sizes, and they provide important evidence of past glacial activity.Rate this question:
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- 5.
The breakup of rock into smaller fragments of the same material is called
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Chemical weathering.
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Carbonation.
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Decomposition.
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Physical weathering.
Correct Answer
A. Physical weathering.Explanation
Physical weathering is the process of breaking down rocks into smaller fragments without changing their chemical composition. This can occur through various mechanisms such as temperature changes, freeze-thaw cycles, and abrasion by wind, water, or ice. In contrast, chemical weathering involves the alteration of the rock's chemical composition through reactions with water, air, or other substances. Carbonation refers specifically to the chemical weathering process where carbon dioxide dissolves in water to form a weak acid that reacts with rocks. Decomposition, on the other hand, refers to the breakdown of organic matter. Therefore, the correct answer is physical weathering as it describes the process of rock fragmentation without any chemical changes.Rate this question:
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- 6.
Fine-grained, windblown silt deposits are known as
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Drift.
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Talus.
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Loess.
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Till.
Correct Answer
A. Loess.Explanation
Loess refers to fine-grained, windblown silt deposits. It is typically formed by the accumulation of dust and other particles carried by the wind over long distances. Loess deposits are often found in areas with a dry climate, and they can be several meters thick. These deposits are important for agriculture as they are highly fertile and can support the growth of crops.Rate this question:
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- 7.
Granite, basalt, pumice, and obsidian are all _______ rocks.
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Igneous
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Diastrophic
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Sedimentary
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Metamorphic
Correct Answer
A. IgneousExplanation
Granite, basalt, pumice, and obsidian are all igneous rocks because they are formed from the cooling and solidification of molten material, such as lava or magma. Igneous rocks are typically formed through volcanic activity and can have a variety of textures, compositions, and colors depending on the specific conditions of their formation.Rate this question:
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- 8.
Which of the following processes was responsible for the Ridge and Valley region of the eastern United States?
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Jointing
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Faulting
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Folding
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Earthquakes
Correct Answer
A. FoldingExplanation
The correct answer is folding. Folding refers to the process of bending and deforming rock layers due to tectonic forces. In the Ridge and Valley region of the eastern United States, the Appalachian Mountains were formed through a long history of folding. This process caused the rock layers to buckle and fold, creating the characteristic ridges and valleys in the region. Faulting, jointing, and earthquakes may also play a role in shaping the landscape, but folding is the primary process responsible for the formation of the Ridge and Valley region.Rate this question:
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- 9.
A zone of subduction is associated with the occurence of
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Transform faults and earthquakes.
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Mid-ocean ridges and volcanoes.
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Relatively flat terrain on the ocean floor.
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Deep-sea trenches and mountain ranges.
Correct Answer
A. Deep-sea trenches and mountain ranges.Explanation
A zone of subduction is associated with deep-sea trenches and mountain ranges. Subduction occurs when one tectonic plate is forced beneath another, typically forming a deep-sea trench where the plates meet. The subducting plate sinks into the Earth's mantle, creating intense pressure and heat, which can lead to the formation of magma. This magma can then rise to the surface, resulting in volcanic activity and the formation of mountain ranges. Therefore, deep-sea trenches and mountain ranges are commonly found in areas where subduction is occurring.Rate this question:
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- 10.
Earthquakes result from movement associated with
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Glacial activity.
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Carbonation.
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Faulting.
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Mechanical weathering.
Correct Answer
A. Faulting.Explanation
Earthquakes result from the movement associated with faulting. Faulting refers to the displacement or movement of rock layers along a fault line, which can occur due to tectonic plate movements or stress accumulation in the Earth's crust. This movement leads to the release of energy in the form of seismic waves, causing the ground to shake and resulting in an earthquake. Glacial activity, carbonation, and mechanical weathering are not directly related to the occurrence of earthquakes, making faulting the correct answer.Rate this question:
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- 11.
Which one of the following is NOT a landform created by glaciers?
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Oxbow lake
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Cirque
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Kame
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Outwash plain
Correct Answer
A. Oxbow lakeExplanation
An oxbow lake is not a landform created by glaciers. Oxbow lakes are formed by the meandering of rivers, where the river cuts off a meander bend, creating a U-shaped lake. Glaciers, on the other hand, create landforms such as cirques, which are bowl-shaped hollows on mountainsides, kames, which are small hills or mounds of sediment deposited by melting glaciers, and outwash plains, which are flat areas of sediment deposited by meltwater from glaciers.Rate this question:
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- 12.
The scientist who first proposed the idea of the existence of one super continent prior to its breakup millions of years ago was
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Darwin.
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Wegener.
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Strabo.
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Ptolemy.
Correct Answer
A. Wegener.Explanation
The correct answer is Wegener because he was the scientist who first proposed the idea of the existence of one supercontinent prior to its breakup millions of years ago. His theory, known as continental drift, suggested that the continents were once joined together in a single landmass called Pangaea and have since drifted apart. This idea revolutionized the field of geology and provided a foundation for the modern understanding of plate tectonics.Rate this question:
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- 13.
The theory of continental drift was formulated because
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The landforms moved over faults.
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Of the mountain ranges on the fringes of the Pacific Ocean.
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Of the remarkable fit of the continents.
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Scientists observed that the Atlantic Ocean was widening.
Correct Answer
A. Of the remarkable fit of the continents.Explanation
The theory of continental drift was formulated because of the remarkable fit of the continents. This refers to the observation made by scientists that the coastlines of different continents appeared to fit together like puzzle pieces. This suggested that the continents were once joined together and had since drifted apart. This observation provided evidence for the theory of continental drift, which proposed that the Earth's continents were once part of a single supercontinent called Pangaea and have since moved to their current positions.Rate this question:
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- 14.
For millions of years the, Atlantic Ocean has been widening at the rate of about
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1 yard (.9 m) per year.
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1 inch (2.5 cm) per year.
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1 foot (.3 m) per year.
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1 mile (1.6 km) per year.
Correct Answer
A. 1 inch (2.5 cm) per year.Explanation
The correct answer is 1 inch (2.5 cm) per year. This means that the Atlantic Ocean has been widening at a very slow rate over millions of years. This gradual widening can be attributed to the movement of tectonic plates, specifically the spreading of the Mid-Atlantic Ridge. As the plates separate, magma rises to fill the gap, causing the ocean floor to expand. This process occurs at a slow pace, resulting in the gradual widening of the Atlantic Ocean.Rate this question:
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- 15.
Alfred Wegener is best known for his
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Discovery of subduction.
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Numerical scale of earthquake magnitude.
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Invention of the seismograph.
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Theory of continental drift.
Correct Answer
A. Theory of continental drift.Explanation
Alfred Wegener is best known for his theory of continental drift. This theory proposed that the continents were once joined together in a single landmass called Pangaea and have since drifted apart. Wegener gathered evidence from various fields such as geology, paleontology, and climate, to support his theory. Although initially met with skepticism, his work laid the foundation for our understanding of plate tectonics and the dynamic nature of Earth's surface.Rate this question:
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- 16.
A volcanic eruption without explosions produces a
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Shield volcano.
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Cinder cone.
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Composite volcano.
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Strato volcano.
Correct Answer
A. Shield volcano.Explanation
A volcanic eruption without explosions typically produces a shield volcano. Shield volcanoes are characterized by their broad, gently sloping sides and are formed by the accumulation of fluid lava flows over time. These eruptions are usually non-explosive, with lava flowing out of the volcano in a steady manner. In contrast, cinder cones are formed by explosive eruptions that eject fragmented lava, while composite volcanoes (also known as stratovolcanoes) are a combination of both explosive and non-explosive eruptions. Therefore, the correct answer is shield volcano.Rate this question:
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- 17.
Which one of the following groups contain only sedimentary rocks?
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Marble, basalt, conglomerate
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Conglomerate, limestone, shale
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Slate, gneiss, marble
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Limestone, sandstone, granite
Correct Answer
A. Conglomerate, limestone, shaleExplanation
The correct answer is conglomerate, limestone, shale. These three rocks are all examples of sedimentary rocks. Conglomerate is formed from the accumulation and cementation of rounded pebbles and stones. Limestone is formed from the accumulation of shells and other organic materials. Shale is formed from the compaction and cementation of fine clay and silt particles.Rate this question:
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- 18.
The breaking up of rock by freezing and thawing is the result of
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Mechanical weathering.
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Mass weathering.
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Erosion.
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Chemical weathering.
Correct Answer
A. Mechanical weathering.Explanation
The breaking up of rock by freezing and thawing is a type of weathering known as mechanical weathering. This process occurs when water seeps into cracks in the rock, freezes, and expands, causing the rock to break apart. As the water thaws, it contracts, further weakening the rock. This repeated freezing and thawing cycle eventually leads to the disintegration of the rock into smaller fragments. Mechanical weathering does not involve the chemical alteration of the rock, which is why erosion and chemical weathering are not the correct answers.Rate this question:
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- 19.
What physical feature gets its name from a region on the Adriatic Sea near Italy?
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Sandbars
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Karst topography
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Terminal moraines
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Salt marshes
Correct Answer
A. Karst topographyExplanation
Karst topography gets its name from a region on the Adriatic Sea near Italy. Karst topography is characterized by unique landforms such as sinkholes, caves, and underground rivers, which are formed by the dissolution of soluble rocks like limestone. The name "karst" originates from the Karst Plateau, a limestone region located in modern-day Slovenia, which extends into parts of Italy and Croatia. This region is known for its extensive cave systems and underground drainage, which are typical features of karst topography.Rate this question:
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- 20.
What are the three processes in which diastrophism is involved?
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Subduction, seafloor spreading, transform movement
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Broad warping, folding, faulting
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Weathering, mass wasting, erosion
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Oxidation, hydrolysis, carbonation
Correct Answer
A. Broad warping, folding, faultingExplanation
Diastrophism refers to the processes that deform the Earth's crust. Broad warping, folding, and faulting are three processes involved in diastrophism. Broad warping refers to the gradual bending or warping of large areas of the Earth's crust. Folding involves the bending of rock layers due to compressional forces, resulting in the formation of folds. Faulting, on the other hand, occurs when there is a break or fracture in the Earth's crust, causing one block of rock to move relative to another. These three processes are examples of diastrophism and play a significant role in shaping the Earth's surface.Rate this question:
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- 21.
A tsunami can occur due to all of the following EXCEPT
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Underwater landslide
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Moment magnitude
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Volcanic eruption
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Earthquake
Correct Answer
A. Moment magnitude -
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________________ is the great pressure acting on the plates that deforms them by folding, twisting, warping, breaking, or compressing rock.
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Volcanism
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Subduction
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Diastrophism
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Mass Movement
Correct Answer
A. DiastrophismExplanation
Diastrophism is the correct answer because it refers to the great pressure acting on the plates that deforms them by folding, twisting, warping, breaking, or compressing rock. This process is responsible for the creation of mountains, valleys, and other geological features. Volcanism refers to the eruption of magma onto the Earth's surface, while subduction is the process of one tectonic plate sliding beneath another. Mass movement refers to the downslope movement of rock, soil, or debris due to gravity.Rate this question:
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- 23.
A large destructive sea wave resulting from an earthquake is called a
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Pangaea.
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Subduction.
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Tidal wave.
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Tsunami.
Correct Answer
A. Tsunami.Explanation
A large destructive sea wave resulting from an earthquake is called a tsunami. A tsunami is a powerful and devastating natural phenomenon that occurs when there is a sudden displacement of water due to an underwater earthquake, volcanic eruption, or landslide. These waves can travel across entire ocean basins, reaching coastlines with tremendous force and causing widespread destruction. Unlike tidal waves, which are caused by the gravitational forces of the moon and sun, tsunamis are primarily triggered by seismic activity. Therefore, the correct answer is tsunami.Rate this question:
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- 24.
Longshore currents are responsible for the creation of
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Salt marshes.
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Lagoons or inlets.
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Spits.
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Moraines.
Correct Answer
A. Spits.Explanation
Longshore currents are responsible for the creation of spits. Longshore currents are the currents that flow parallel to the shoreline, caused by the waves hitting the shore at an angle. These currents transport sediment along the coast, and when the sediment accumulates in a long, narrow ridge that extends from the shore into the water, it forms a spit. Spits are landforms that are typically curved or hooked and are composed of sand or gravel. They are created by the deposition of sediment carried by longshore currents and are commonly found in coastal areas.Rate this question:
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- 25.
The Richter scale is a well-known measure of the magnitude of
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Tsunamis.
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Tectonic forces.
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Seismic waves.
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Epicenters.
Correct Answer
A. Seismic waves.Explanation
The Richter scale is a well-known measure of the magnitude of seismic waves. It is used to quantify the energy released by an earthquake and is based on the amplitude of seismic waves recorded on seismographs. By measuring the amplitude, scientists can determine the size or magnitude of the earthquake, which provides valuable information for understanding and studying seismic activity. Therefore, seismic waves are the correct answer as they are directly related to the Richter scale.Rate this question:
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- 26.
Which of the following is a wind-deposited material?
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Barchan
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Karst
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Loess
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Richter
Correct Answer
A. LoessExplanation
Loess is a wind-deposited material. It is a fine-grained sediment that is typically composed of silt-sized particles. Loess deposits are formed by wind transporting and depositing particles over long distances. This process occurs in areas with strong winds and a lack of vegetation to hold the soil in place. The deposited loess is often found in thick layers and can be easily eroded, leading to the formation of distinctive landforms.Rate this question:
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- 27.
The huge sections of the earth's crust that move slowly over partially molten material are called
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Massive megaliths.
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Central massifs.
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Terminal moraines.
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Lithospheric plates.
Correct Answer
A. Lithospheric plates.Explanation
The correct answer is lithospheric plates. Lithospheric plates are large sections of the Earth's crust that move slowly over partially molten material. These plates are responsible for the movement of continents, the formation of mountains, and the occurrence of earthquakes and volcanic activity. Massive megaliths, central massifs, and terminal moraines are not related to the movement of the Earth's crust.Rate this question:
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- 28.
The largest areas of continental-size glaciers in the world today are in
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Siberia, Canada, and Alaska
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The Himalayan Mountains and the Andes Mountains.
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The Rocky Mountains and the Himalayan Mountains.
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Antarctica and Greenland.
Correct Answer
A. Antarctica and Greenland.Explanation
The correct answer is Antarctica and Greenland. These two regions are home to the largest areas of continental-size glaciers in the world. Antarctica, the southernmost continent, contains the largest ice sheet on Earth, covering an area of about 14 million square kilometers. Greenland, an autonomous territory of Denmark, also has a massive ice sheet, covering approximately 1.7 million square kilometers. These glaciers play a significant role in regulating global sea levels and climate patterns.Rate this question:
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- 29.
A tsunami is a huge destructive sea wave that occurs after
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An increase in gravitational pull of the moon.
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An abrupt change of temperature.
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A hurricane or typhoon.
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An earthquake.
Correct Answer
A. An earthquake.Explanation
A tsunami is a massive and destructive sea wave that is caused by an earthquake. When an earthquake occurs under the ocean floor, it can create a sudden displacement of water, resulting in the formation of a tsunami. The energy from the earthquake is transferred to the water, causing it to move in powerful waves that can travel across the ocean. These waves can cause significant damage and devastation when they reach coastal areas. Therefore, an earthquake is the correct answer as it directly triggers the occurrence of a tsunami.Rate this question:
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- 30.
Which of the following groups contains processes caused only by mechanical weathering?
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Frost action, root action, development of salt crystals
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Frost action, carbonation, root action
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Hydrolysis, oxidation, carbonation
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Development of salt crystals, oxidation, carbonation
Correct Answer
A. Frost action, root action, development of salt crystalsExplanation
The correct answer is frost action, root action, development of salt crystals. Mechanical weathering refers to the physical breakdown of rocks into smaller pieces without any change in their chemical composition. Frost action involves the repeated freezing and thawing of water in cracks and crevices of rocks, causing them to expand and eventually break apart. Root action occurs when plant roots grow into cracks and exert pressure, causing the rocks to break. The development of salt crystals happens when saltwater seeps into rocks and evaporates, leaving behind salt crystals that can expand and break the rocks. All three processes mentioned in the answer involve physical forces causing the breakdown of rocks, making them examples of mechanical weathering.Rate this question:
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- 31.
The term subduction refers to dense
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Continental crust forced upwards into the asthenosphere.
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Oceanic crust forced upwards into the lithosphere.
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Oceanic crust forced downward into the asthenosphere.
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Continental crust forced downward into the mid-Atlantic ridge.
Correct Answer
A. Oceanic crust forced downward into the asthenosphere.Explanation
Subduction refers to the process in which one tectonic plate is forced beneath another plate. In this case, the correct answer states that oceanic crust is forced downward into the asthenosphere. This is a common occurrence where oceanic crust, which is denser than continental crust, is pushed beneath another tectonic plate. The asthenosphere is the region of the Earth's upper mantle where rocks are partially melted and can flow, making it easier for the subducting plate to move downward. This process is responsible for the formation of deep-sea trenches, volcanic arcs, and earthquakes.Rate this question:
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- 32.
Which of the following groups contain only landforms produced by glacial deposition?
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Lateral moraines, fiords, permafrost
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Lateral moraines, terminal moraines, outwash plain
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Fiords, outwash plains, terminal moraines
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Outwash plain, lateral moraines, fiords
Correct Answer
A. Lateral moraines, terminal moraines, outwash plainExplanation
The correct answer is lateral moraines, terminal moraines, outwash plain. Glacial deposition refers to the process of glaciers depositing sediment and debris as they move and melt. Lateral moraines are ridges of debris that form along the sides of a glacier, while terminal moraines are ridges of debris that mark the furthest extent of a glacier's advance. Outwash plains are flat areas of sediment deposited by glacial meltwater. Therefore, all three landforms in this group are directly formed by glacial deposition.Rate this question:
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- 33.
Earthquakes result from
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The buildup of tension as tectonic forces are applied.
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Seismic waves.
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Vibrations caused by seismic waves.
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The reduction in surface tension following a buildup of tectonic forces.
Correct Answer
A. The buildup of tension as tectonic forces are applied.Explanation
Earthquakes result from the buildup of tension as tectonic forces are applied. Tectonic forces, caused by the movement and interaction of Earth's tectonic plates, create stress and strain in the Earth's crust. Over time, this stress builds up and eventually exceeds the strength of the rocks, causing them to fracture and release energy in the form of seismic waves. These waves then propagate through the Earth, causing the ground to shake and resulting in an earthquake.Rate this question:
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- 34.
Which of the following landforms results mainly from the effect of mass wasting or mass movement?
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Talus
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Delta
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Mesa
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Alluvial fan
Correct Answer
A. TalusExplanation
Talus is the correct answer because it is a landform that primarily forms as a result of mass wasting or mass movement. Mass wasting refers to the downslope movement of rock, soil, and other debris under the influence of gravity. Talus is a sloping accumulation of rock fragments that have been detached from a cliff or steep slope and have fallen or rolled down due to gravity. This process is a common form of mass wasting and leads to the formation of talus slopes at the base of cliffs or mountains.Rate this question:
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- 35.
Theories of the evolution of glaciers include, as possible causes, all of the following EXCEPT
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The drifting of continental plates over tropical regions.
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Changes in the shape, the tilt, and the seasonal positions of the earth's orbit around the sun.
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Periods of excessive dust in the atmosphere.
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The periodic changes in the amount of solar energy received on the earth's surface.
Correct Answer
A. The drifting of continental plates over tropical regions.Explanation
Theories of the evolution of glaciers suggest that changes in the shape, tilt, and seasonal positions of the earth's orbit around the sun, periods of excessive dust in the atmosphere, and periodic changes in the amount of solar energy received on the earth's surface can all be possible causes. However, the drifting of continental plates over tropical regions is not considered a possible cause for the evolution of glaciers.Rate this question:
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- 36.
An intrusive igneous rock is formed from
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Lava that cools rapidly on the earth's surface.
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Magma that cools slowly beneath the earth's surface.
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Magma that cools slowly on the earth's surface.
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Lava that cools rapidly beneath the earth's surface.
Correct Answer
A. Magma that cools slowly beneath the earth's surface.Explanation
An intrusive igneous rock is formed from magma that cools slowly beneath the earth's surface. This slow cooling allows for the formation of large mineral crystals within the rock. In contrast, lava that cools rapidly on the earth's surface forms extrusive igneous rocks, which have smaller crystals or a glassy texture. Therefore, the correct answer is magma that cools slowly beneath the earth's surface.Rate this question:
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- 37.
Which of the following is NOT one of the three classes of rock?
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Igneous
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Metamorphic
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Sedimentary
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Tectonic
Correct Answer
A. TectonicExplanation
The correct answer is "tectonic" because it is not one of the three classes of rock. Igneous, metamorphic, and sedimentary are the three main types of rocks that are classified based on their formation processes. Tectonic, on the other hand, refers to the forces and movements within the Earth's crust that cause geological events like earthquakes and mountain building. It is not a type of rock but rather a geological process.Rate this question:
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- 38.
Glaciers move because
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The gravitational pull on steep slopes causes avalanches that dislodge the snow accumulations.
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Tectonic forces from within the earth dislodge loose materials, such as great slabs of snow and ice.
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The rotation of the earth holds the snowfields back, thereby forcing them to move.
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The weight of snow causes compaction at the base and the formation of ice, which becomes plastic-like.
Correct Answer
A. The weight of snow causes compaction at the base and the formation of ice, which becomes plastic-like.Explanation
Glaciers move because the weight of snow causes compaction at the base and the formation of ice, which becomes plastic-like. As more snow accumulates, it compresses the layers beneath it, causing the snow to transform into ice. This ice then becomes malleable and can flow under its own weight. This process, known as plastic deformation, allows glaciers to slowly move downhill. The gravitational pull or tectonic forces mentioned in the other options may cause avalanches or dislodge loose materials on the surface of the glacier, but they do not explain the overall movement of glaciers.Rate this question:
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- 39.
Terrain created by an underground solution limestone is known as
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Knob and kettle topography .
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Karst topography.
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Belted topography.
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Gradational topography.
Correct Answer
A. Karst topography.Explanation
Karst topography is the correct answer because it refers to the terrain that is formed by the dissolution of soluble rocks, such as limestone, by underground water. This process creates unique features like sinkholes, caves, and underground drainage systems. Knob and kettle topography refers to a landscape with small hills and depressions formed by glacial activity. Belted topography does not have a specific geological meaning. Gradational topography refers to a landscape that has been shaped by gradual erosion and deposition processes.Rate this question:
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- 40.
The ability of running water to erode a surface does NOT depend on the
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Strength of the wind.
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Steepness of the slope.
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Amount of precipitation.
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Type of vegetation.
Correct Answer
A. Strength of the wind.Explanation
The ability of running water to erode a surface depends on factors such as the steepness of the slope, amount of precipitation, and type of vegetation. However, the strength of the wind does not have a direct impact on the erosion caused by running water. Wind may indirectly affect erosion by influencing the distribution and intensity of precipitation, but it is not a direct factor in the erosion process.Rate this question:
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- 41.
An accumulation of rock particles at the base of hills and mountains is called __________.
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Mass wastes
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Talus
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Rock fall
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Mass debris
Correct Answer
A. TalusExplanation
Talus refers to the accumulation of rock particles at the base of hills and mountains. It is formed as a result of weathering and erosion processes that cause rocks to break and fall down slopes. Over time, these fallen rocks accumulate at the base, forming a sloping pile of debris. Talus serves as a natural barrier, protecting the base of slopes from further erosion and providing habitat for plants and animals.Rate this question:
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- 42.
If a land surface where a mountain once stood is now a low, flat, plain, ___________ have been at work.
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Volcanoes
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Earthquakes
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Gradational processes
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Tectonic forces
Correct Answer
A. Gradational processesExplanation
The correct answer is gradational processes. Gradational processes refer to the gradual wearing down and reshaping of the Earth's surface through erosion, weathering, and deposition. In the context of the question, if a mountain has been transformed into a low, flat plain, it suggests that some form of erosion or weathering has occurred over a long period of time. This could include processes such as wind, water, or ice erosion, which gradually break down the mountain and reshape it into a plain.Rate this question:
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- 43.
The sand grains that make up beaches originated mainly from
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Coastal erosion and streams.
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Windblown materials from desert environments.
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The great rivers of the world.
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Melting icebergs.
Correct Answer
A. Coastal erosion and streams.Explanation
The correct answer is coastal erosion and streams. Beaches are formed by the accumulation of sand grains, and these sand grains primarily come from two sources: coastal erosion and streams. Coastal erosion refers to the gradual wearing away of land by the action of waves, tides, and currents, which result in the deposition of sediment on the beach. Streams also contribute to the formation of beaches by transporting sediment from inland areas and depositing it along the coast. Therefore, the sand grains that make up beaches originate mainly from coastal erosion and streams.Rate this question:
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- 44.
Which of the following statements about karst topography is NOT true?
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It results from the action of water.
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It is found in limestone regions.
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It is found in arid regions.
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It often results in potholes and sinks.
Correct Answer
A. It is found in arid regions.Explanation
Karst topography is a type of landscape that is formed by the dissolution of soluble rocks such as limestone. It is characterized by features like sinkholes, caves, and underground drainage systems. The given answer states that karst topography is not found in arid regions, which is incorrect. In fact, karst topography can be found in various climatic regions, including arid areas. This is because the formation of karst is primarily dependent on the presence of soluble rocks and the action of water, rather than the climate. Therefore, the given statement is not true.Rate this question:
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- 45.
Coal and petroleum occur in the group of rocks classified as
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Plutonic.
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Metamorphic.
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Sedimentary.
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Igneous.
Correct Answer
A. Sedimentary.Explanation
Coal and petroleum are both fossil fuels that are formed from the remains of plants and animals that lived millions of years ago. These remains were buried under layers of sediment, and over time, heat and pressure transformed them into coal and petroleum. Sedimentary rocks are formed from the accumulation and consolidation of sediments, which makes them the most likely group of rocks in which coal and petroleum would occur. Plutonic rocks are formed from the cooling and solidification of magma deep within the Earth, while metamorphic rocks are formed from the transformation of existing rocks due to heat and pressure. Igneous rocks are formed from the solidification of molten material.Rate this question:
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- 46.
Continental glaciers exist today in
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The Northern Hemisphere only.
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No part of the world.
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The Southern Hemisphere only.
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The Northern and the Southern Hemispheres.
Correct Answer
A. The Northern and the Southern Hemispheres.Explanation
Continental glaciers are large masses of ice that cover vast areas of land. They are found in both the Northern and Southern Hemispheres. In the Northern Hemisphere, they exist in places like Greenland and parts of Canada and Alaska. In the Southern Hemisphere, they are found in Antarctica. These glaciers play a crucial role in shaping the landscape and influencing climate patterns in these regions.Rate this question:
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- 47.
The landform often formed at the mouth of a heavily silted stream is called
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A spit.
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An offshore bar.
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A lateral moraine.
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A delta.
Correct Answer
A. A delta.Explanation
A delta is a landform that is often formed at the mouth of a heavily silted stream. As the stream flows into a larger body of water, such as a lake or ocean, the velocity of the water decreases, causing it to deposit sediment and silt. Over time, these deposits build up and form a triangular-shaped landform known as a delta. Deltas are characterized by their rich soil and are often home to diverse ecosystems.Rate this question:
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- 48.
Sharp ridges and U-shaped valleys are characteristic features of mountains that have undergone
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Diastrophism.
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Stream erosion.
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Wind erosion.
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Glaciation.
Correct Answer
A. Glaciation.Explanation
Sharp ridges and U-shaped valleys are characteristic features of mountains that have undergone glaciation. Glaciation refers to the process of glaciers moving across the land, eroding and shaping the landscape. As glaciers move, they carve out U-shaped valleys and create sharp ridges through the erosion of the surrounding rock and sediment. This process is responsible for the distinct features seen in glaciated mountain regions.Rate this question:
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- 49.
Which group of coastal features exists as the result of erosion by sea waves?
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Sea cliffs, headlands, embayments
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Sandbars, talus slopes, sandspits
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Fringing reefs, barrier reefs, atolls
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Deltas, cuspate bars, capes
Correct Answer
A. Sea cliffs, headlands, embaymentsExplanation
Sea cliffs, headlands, and embayments are all coastal features that are formed as a result of erosion by sea waves. Sea cliffs are steep cliffs that are formed when waves erode the base of a cliff, causing it to collapse. Headlands are narrow strips of land that jut out into the sea and are formed when waves erode the softer rock on either side of a harder rock formation. Embayments are curved indentations in the coastline that are formed when waves erode softer rock, creating a bay or cove. These features are commonly found in areas where the coastline is exposed to strong wave action.Rate this question:
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Mar 21, 2023Quiz Edited by
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Dec 12, 2011Quiz Created by
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