Earth Science Quiz 1

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  • 1/69 Questions

    The sun always illuminates half of the earth at any given time, while the other half is in shadow.

    • True
    • False
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Meteorology Quizzes & Trivia
About This Quiz

Earth Science Quiz 1 explores key meteorological concepts, assessing knowledge on thunderstorms, air masses, and cyclones. It's designed for learners to understand atmospheric dynamics and mass wasting processes, enhancing their grasp of Earth's weather systems.

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  • 2. 

    Radiation is electromagnetic energy that is transmitted in the form of waves.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Radiation refers to the transmission of electromagnetic energy in the form of waves. This energy can include various types of waves, such as radio waves, microwaves, infrared waves, visible light, ultraviolet waves, X-rays, and gamma rays. Therefore, the statement "Radiation is electromagnetic energy that is transmitted in the form of waves" is true.

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  • 3. 

    The process by which one lithospheric plate is forced beneath another is called

    • Laterization

    • Subduction

    • Volcanism

    • Seismicity

    Correct Answer
    A. Subduction
    Explanation
    Subduction is the correct answer because it refers to the process where one lithospheric plate is forced beneath another. This occurs at convergent plate boundaries, where two plates collide. The denser plate sinks into the mantle, while the other plate may form mountain ranges or volcanic activity. Subduction is an essential process in plate tectonics and is responsible for the formation of deep-sea trenches, volcanic arcs, and earthquakes.

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  • 4. 

     A boundary where contrasting air masses meet is a

    • Hurricane

    • Front

    • Storm surge

    • Eye wall

    Correct Answer
    A. Front
    Explanation
    A boundary where contrasting air masses meet is called a front. Fronts are the transition zones between different air masses, typically characterized by changes in temperature, humidity, and wind direction. When warm and cold air masses collide, they can create weather phenomena such as rain, thunderstorms, or even hurricanes. The other options, hurricane, storm surge, and eye wall, are specific terms related to hurricanes and not directly related to the meeting of air masses.

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  • 5. 

    Relative humidity is

    • The amount of water vapor in the air compared to the normal amount

    • The amount of water vapor in the air at a given temperature expressed as a percentage of the moisture capacity of the air

    • The amount of moisture in the air relative to your own sensible feelings

    Correct Answer
    A. The amount of water vapor in the air at a given temperature expressed as a percentage of the moisture capacity of the air
    Explanation
    Relative humidity is the measurement of the amount of water vapor present in the air at a specific temperature, compared to the maximum amount of moisture the air can hold at that temperature. It is expressed as a percentage, indicating the saturation level of the air.

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  • 6. 

    Which of the following are necessary for cloud formation?

    • Saturated air

    • Saturated air and condensation nuclei

    • Ice crystals

    • None of the above

    Correct Answer
    A. Saturated air and condensation nuclei
    Explanation
    Cloud formation requires two main factors: saturated air and condensation nuclei. Saturated air means that the air is holding as much water vapor as it can at a given temperature. When the air is saturated, it is more likely to form clouds. However, just having saturated air is not enough. Condensation nuclei, which are tiny particles such as dust, smoke, or salt, provide a surface for the water vapor to condense onto. Without condensation nuclei, the water vapor would have difficulty forming into visible water droplets or ice crystals, which are essential components of clouds. Therefore, both saturated air and condensation nuclei are necessary for cloud formation.

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  • 7. 

    Dense biomass and tremendous species diversity characterize the

    • Tropical forests

    • Midlatitude forests

    • Deserts

    • Grasslands

    Correct Answer
    A. Tropical forests
    Explanation
    Tropical forests are characterized by dense biomass and tremendous species diversity. These forests have a high concentration of plant and animal life, with a wide variety of species coexisting in a relatively small area. The warm and humid climate of tropical regions provides ideal conditions for the growth of vegetation, resulting in dense forests with a complex ecosystem. The abundance of plants and animals in these forests contributes to the overall biodiversity of the tropical regions.

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  • 8. 

    Expansion and contraction of water in rock cracks due to freezing and thawing is

    • Frost wedging

    • Frost heaving

    • Plant wedging

    • Salt-crystal growth

    Correct Answer
    A. Frost wedging
    Explanation
    Frost wedging refers to the process in which water seeps into cracks in rocks, freezes, and expands, causing the cracks to widen. This expansion and contraction due to freezing and thawing of water in rock cracks is a common mechanism of physical weathering. It occurs when water freezes and expands by about 9%, exerting pressure on the surrounding rock and causing it to break apart. This process is particularly effective in regions with frequent freeze-thaw cycles, such as high-altitude areas or cold climates.

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  • 9. 

    The conversion of solar radiation into chemical energy by plants that releases oxygen is called

    • Dendrochronology

    • Respiration

    • Plant succession

    • Photosynthesis

    Correct Answer
    A. Photosynthesis
    Explanation
    Photosynthesis is the correct answer because it is the process by which plants convert solar radiation into chemical energy. During photosynthesis, plants use sunlight, carbon dioxide, and water to produce glucose and oxygen. This process is essential for the survival of plants as well as for maintaining the oxygen levels in the atmosphere. Dendrochronology is the study of tree rings, respiration is the process of releasing energy from glucose, and plant succession refers to the process of ecological change in a community over time.

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  • 10. 

    The sequence of atmospheric events that develops along the polar jet stream and that produces midlatitude cyclones is called

    • Cyclogenesis

    • Rainshadow

    • Occlusion

    • Storm surge

    • Tropical depression

    Correct Answer
    A. Cyclogenesis
    Explanation
    Cyclogenesis refers to the sequence of atmospheric events that occur along the polar jet stream and result in the formation of midlatitude cyclones. These cyclones are commonly known as low-pressure systems or storms. The process of cyclogenesis involves the interaction of warm and cold air masses, which leads to the development of a rotating system of winds. This rotation creates areas of low pressure, which in turn cause the formation of clouds, precipitation, and strong winds. Therefore, cyclogenesis is the correct answer as it accurately describes the process of midlatitude cyclone formation.

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  • 11. 

    The soil horizon that has the most organic matter is labeled the ___ horizon

    • B

    • O

    • C

    • E

    Correct Answer
    A. O
    Explanation
    The soil horizon that has the most organic matter is labeled the O horizon. The O horizon, also known as the organic horizon, is the top layer of soil that consists mainly of decomposed organic material such as leaves, plant debris, and animal remains. This layer is rich in nutrients and helps improve soil fertility. The presence of a thick O horizon indicates a healthy and productive soil ecosystem.

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  • 12. 

    The biomes of the tropical monsoon climate are

    • Tropical deciduous forest and scrub and tropical rainforest

    • Tropical rainforest and hot desert

    • Tundra and tropical savanna

    Correct Answer
    A. Tropical deciduous forest and scrub and tropical rainforest
    Explanation
    The correct answer is Tropical deciduous forest and scrub and tropical rainforest. The tropical monsoon climate is characterized by high temperatures and heavy rainfall. This type of climate supports the growth of diverse vegetation, including tropical deciduous forests and scrublands, which are adapted to periods of both wet and dry conditions. Additionally, the tropical rainforest biome is also found in regions with a tropical monsoon climate, as it receives abundant rainfall throughout the year. These biomes are well-suited to the warm and wet conditions of the tropical monsoon climate.

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  • 13. 

    A boundary where contrasting air masses mees is a

    • Hurricane

    • Front

    • Squall line

    • Eye wall

    Correct Answer
    A. Front
    Explanation
    A boundary where contrasting air masses meet is known as a front. Fronts occur when two different air masses, with different temperatures and moisture content, collide. This collision leads to changes in weather conditions, such as cloud formation, precipitation, and temperature fluctuations. Fronts can be classified into different types, including cold fronts, warm fronts, and stationary fronts, depending on the characteristics of the air masses involved. Understanding fronts is crucial in meteorology as they play a significant role in shaping weather patterns and forecasting.

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  • 14. 

    Water Vapor is one of the greenhouse gases

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Water vapor is considered one of the greenhouse gases because it has the ability to trap heat in the Earth's atmosphere. When water evaporates from the surface, it rises into the atmosphere and forms clouds. These clouds then act as a greenhouse, trapping heat and preventing it from escaping into space. This phenomenon contributes to the overall warming of the planet, known as the greenhouse effect. Therefore, the statement that water vapor is one of the greenhouse gases is true.

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  • 15. 

    Common natural hazards in the Mediterranean woodland and shrub biome are

    • Blizzards

    • Tornadoes

    • Wildfires

    • Hurricanes

    Correct Answer
    A. Wildfires
    Explanation
    Wildfires are a common natural hazard in the Mediterranean woodland and shrub biome due to the dry and hot climate prevalent in this region. The vegetation in this biome, consisting of flammable shrubs and trees, easily catches fire and spreads rapidly. Additionally, the strong winds that are characteristic of the Mediterranean region can further exacerbate the spread of wildfires. These factors make wildfires a significant threat to the Mediterranean woodland and shrub biome, causing damage to the ecosystem and posing risks to human settlements in the area.

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  • 16. 

    HThe sequence of atmospheric events that develops along the polar jet stream and that produces midlatitude cyclones is called

    • Tropical depression

    • Cyclogenesis

    • Occlusion

    • Storm surge

    Correct Answer
    A. Cyclogenesis
    Explanation
    Cyclogenesis refers to the sequence of atmospheric events that occur along the polar jet stream and lead to the development of midlatitude cyclones. These cyclones are responsible for various weather phenomena, such as strong winds, precipitation, and changes in temperature. Cyclogenesis involves the interaction of warm and cold air masses, which leads to the formation and intensification of these cyclones. Therefore, cyclogenesis is the correct answer as it accurately describes the process of cyclone formation in midlatitude regions.

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  • 17. 

    The two kinds of weathering are

    • Mechanical and physical

    • Mechanical and chemical

    • Physical and erosion

    • Mechanical and component

    Correct Answer
    A. Mechanical and chemical
    Explanation
    The correct answer is mechanical and chemical. Weathering refers to the breakdown and alteration of rocks and minerals at or near the Earth's surface. Mechanical weathering involves the physical disintegration of rocks into smaller fragments, such as through freezing and thawing or the action of plant roots. Chemical weathering, on the other hand, involves the chemical alteration of rocks through processes like oxidation, hydration, and carbonation. Both mechanical and chemical weathering play significant roles in the overall weathering process.

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  • 18. 

    The process of losing water from the soil to the air both from the ground and from plants is called

    • Albedo

    • Capillary action

    • Evapotranspiration

    • Discharge

    Correct Answer
    A. Evapotranspiration
    Explanation
    Evapotranspiration is the process of water loss from the soil to the air, which includes both the evaporation of water from the ground surface and the transpiration of water from plants. It is a combination of two processes, evaporation and transpiration, where water is converted from its liquid state to vapor and released into the atmosphere. This term encompasses the overall water loss from both natural and artificial surfaces, making it the correct answer in this context.

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  • 19. 

    The climate most noted for summer droughts and winter precipitation is

    • Marine west-coast

    • Mediterranean dry-summer

    • Humid subtropical hot-summer

    • Humid continental mild-summer

    Correct Answer
    A. Mediterranean dry-summer
    Explanation
    The Mediterranean climate is characterized by dry summers and wet winters. This climate is most noted for its distinct dry season during the summer months, which is caused by the subtropical high-pressure system that dominates the region. During this period, precipitation is scarce, and drought conditions are common. In contrast, the winter months experience increased rainfall due to the influence of mid-latitude cyclones and the westerlies. This pattern of summer droughts and winter precipitation is typical of the Mediterranean climate, making it the correct answer.

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  • 20. 

    Air masses are named by their

    • Direction from which they came

    • Temperature and humidity characteristics

    • Order of occurrence from an alphabetical list

    • Location of first occurrence

    Correct Answer
    A. Temperature and humidity characteristics
    Explanation
    Air masses are named based on their temperature and humidity characteristics because these two factors play a significant role in determining the properties and behavior of the air mass. Temperature and humidity affect the stability, moisture content, and overall weather patterns associated with the air mass. By identifying and categorizing air masses based on these characteristics, meteorologists can better understand and predict weather conditions in different regions.

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  • 21. 

    Which of the following represents the correct sequence of soil horizons from top down?

    • E-C-O-B-A

    • O-A-E-B-C

    • A-B-C-E-O

    • C-B-A-E-O

    Correct Answer
    A. O-A-E-B-C
    Explanation
    The correct sequence of soil horizons from top down is O-A-E-B-C. In this sequence, the organic matter (O) is found at the top, followed by the surface horizon (A) where minerals leach and organic matter accumulates. The next horizon is the eluviation horizon (E) where minerals and organic matter are leached out. Below that is the subsoil horizon (B) where minerals accumulate. Finally, at the bottom is the parent material horizon (C) which is the unweathered bedrock.

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  • 22. 

    On the vernal equinox the subsolar point is located at

    • The Arctic circle

    • The Equator

    • The Tropic of Capricorn

    • The Antarctic circle

    Correct Answer
    A. The Equator
    Explanation
    On the vernal equinox, the subsolar point is located at the Equator. The vernal equinox occurs when the tilt of the Earth's axis is neither towards nor away from the Sun, resulting in equal day and night lengths. During this time, the Sun is directly overhead at the Equator, making it the subsolar point. The Arctic circle, Tropic of Capricorn, and Antarctic circle are not the correct answers because they do not align with the position of the Sun on the vernal equinox.

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  • 23. 

    The four pedogenic processes do NOT include

    • Deletions

    • Additions

    • Translocations

    • Metamorphism

    Correct Answer
    A. Metamorphism
    Explanation
    The given question asks for the pedogenic processes that are NOT included among the options provided. The options "deletions," "additions," and "translocations" are all recognized pedogenic processes that involve the removal, addition, and movement of soil materials, respectively. However, "metamorphism" is not a pedogenic process. Metamorphism refers to the process of rock formation through changes in temperature and pressure, which is not directly related to soil formation. Therefore, "metamorphism" is the correct answer as it is not one of the four pedogenic processes mentioned.

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  • 24. 

    Choose the latitude with the greatest Sun angle

    • 50 degrees

    • 30 degrees

    • 40 degrees

    • 35 degrees

    Correct Answer
    A. 30 degrees
    Explanation
    The latitude with the greatest Sun angle is the one closest to the equator. As latitude increases or decreases from the equator, the Sun angle decreases. Therefore, the latitude with the greatest Sun angle would be the one with the smallest value, which in this case is 30 degrees.

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  • 25. 

    The pines of the southeastern United States (near Charlotte) are characteristic of which biome?

    • Boreal forest

    • Mediterranean woodland and shrub

    • Midlatitude coniferous forest

    • Tropical rainforest

    Correct Answer
    A. Midlatitude coniferous forest
    Explanation
    The pines of the southeastern United States (near Charlotte) are characteristic of the midlatitude coniferous forest biome. This biome is characterized by moderate temperatures and abundant rainfall, which support the growth of coniferous trees such as pines. The southeastern United States, including areas near Charlotte, has a climate that is suitable for the growth of these trees, making the midlatitude coniferous forest biome the correct answer.

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  • 26. 

    The Earth revolves around the sun (relative to a view above the North Pole)

    • Oblately

    • Clockwise

    • Counterclockwise

    • Perpendicularly

    Correct Answer
    A. Counterclockwise
    Explanation
    The Earth revolves around the sun counterclockwise when viewed from above the North Pole. This means that if we were looking down on the solar system from a position above the North Pole, the Earth would appear to move in a counterclockwise direction around the sun.

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  • 27. 

    The soil layer that has abundant humus and is the most fertile is the ___ layer

    • B

    • C

    • R

    • E

    • A

    Correct Answer
    A. A
    Explanation
    The correct answer is A. The soil layer that has abundant humus and is the most fertile is the A layer. The A layer, also known as the topsoil or the O horizon, is the uppermost layer of soil that contains a high amount of organic matter, including decomposed plant and animal material. This layer is rich in nutrients and microorganisms, making it the most fertile layer for plant growth.

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  • 28. 

     The Earth's plates move around on the Earth b/c they float on the

    • Crust

    • Core

    • Asthenosphere

    • Plume

    • Mantle

    Correct Answer
    A. Asthenosphere
    Explanation
    The Earth's plates move around on the Earth because they float on the asthenosphere. The asthenosphere is a semi-fluid layer beneath the Earth's crust where the lithospheric plates are able to move. These plates are made up of the Earth's crust and the upper part of the mantle. The asthenosphere's semi-fluid nature allows the plates to slide and move over it, causing tectonic activity such as earthquakes and volcanic eruptions.

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  • 29. 

    Which of the following statements is true?

    • One would expect more precip near the equator than near the poles

    • One would expect winters in Siberia to be very dry, with little precip

    • When air is cooled, its ability to hold moisture decreases

    • One would expect precip to occure when moist air rises over a mountain

    • All of these are true

    Correct Answer
    A. All of these are true
    Explanation
    All of these statements are true. Near the equator, there is more precipitation due to the convergence of warm, moist air. In Siberia, winters are typically very dry with little precipitation because the cold air cannot hold much moisture. When air is cooled, its ability to hold moisture decreases, leading to condensation and precipitation. When moist air rises over a mountain, it cools and condenses, resulting in precipitation on the windward side of the mountain. Therefore, all of the given statements are accurate.

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  • 30. 

    This process allows heat energy to be transferred between objects.

    • Conduction

    • Convection

    • Radiation

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    All of the above options - conduction, convection, and radiation - allow heat energy to be transferred between objects. Conduction is the transfer of heat through direct contact between objects or substances. Convection is the transfer of heat through the movement of fluids, such as liquids or gases. Radiation is the transfer of heat through electromagnetic waves. Therefore, all three processes play a role in transferring heat energy between objects.

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  • 31. 

    The windblown top of a thunderstorm is called a

    • Anvil

    • Gust front

    • Eye

    • Occluded front

    Correct Answer
    A. Anvil
    Explanation
    An anvil is the correct answer because it refers to the windblown top of a thunderstorm. When a thunderstorm develops, the updrafts carry the storm clouds vertically into the atmosphere. At a certain point, the updrafts weaken and can no longer support the cloud top, causing it to spread out horizontally. This flattened, spreading cloud top resembles the shape of an anvil, hence the name. The anvil is often a sign of a mature or decaying thunderstorm and is associated with severe weather conditions such as heavy rain, strong winds, and lightning.

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  • 32. 

    The spreading apart of the Earth's crust by magma rising between fractures in the Earth's plates is called

    • Exfoliation

    • Overthrusting

    • Rifting

    • Subduction

    Correct Answer
    A. Rifting
    Explanation
    Rifting refers to the process of the Earth's crust separating or spreading apart due to the upward movement of magma between fractures in the Earth's plates. This movement causes the plates to move away from each other, creating a gap or rift. This process is commonly associated with the formation of new oceanic crust and the creation of rift valleys, such as the East African Rift Valley.

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  • 33. 

    Which of the following is not an example of a soil forming factor?

    • Rainfall

    • Steep slopes

    • The A horizon

    • Worms

    Correct Answer
    A. The A horizon
    Explanation
    The A horizon is not an example of a soil forming factor because it is actually a component of the soil profile. The A horizon, also known as the topsoil, is the uppermost layer of soil that is rich in organic matter and nutrients. Soil forming factors refer to the environmental factors that influence the development of soil, such as climate, parent material, organisms, topography, and time. Rainfall, steep slopes, and worms are all examples of soil forming factors as they contribute to the physical and chemical processes that shape the soil.

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  • 34. 

    The transition area where two or more ecosystems merge is the

    • Humus

    • Ulac slope

    • Ecotone

    • Adret slope

    • Biomass

    Correct Answer
    A. Ecotone
    Explanation
    An ecotone is the transition area where two or more ecosystems merge. It is a zone of transition between different ecological communities, characterized by a mixture of species from each community as well as unique species adapted to the specific conditions of the ecotone. This area often exhibits greater species diversity and a variety of ecological processes compared to the adjacent ecosystems. The term "ecotone" is commonly used to describe the boundary between different habitats, such as between a forest and a grassland or between a freshwater and a marine ecosystem.

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  • 35. 

    A plate boundary where two plates move horizontally past each other is a

    • Convergent boundary

    • Divergent boundary

    • Passive plate margin

    • Transform boundary

    Correct Answer
    A. Transform boundary
    Explanation
    A transform boundary is a plate boundary where two plates move horizontally past each other. This type of boundary is characterized by intense seismic activity, as the plates are locked together and accumulate stress over time. When the accumulated stress is released, it results in earthquakes. Transform boundaries do not involve the creation or destruction of crust, unlike convergent and divergent boundaries. Therefore, the correct answer is transform boundary.

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  • 36. 

    The factor below with the LEAST direct significance to climate is

    • Air mass circulation

    • Longitude

    • Latitude

    • Topography

    Correct Answer
    A. Longitude
    Explanation
    Longitude is the measurement of distance east or west of the Prime Meridian. It does not directly affect climate as much as other factors. Climate is primarily influenced by latitude, which determines the amount of solar radiation received, and topography, which affects wind patterns and precipitation. Air mass circulation, which refers to the movement of air masses, also plays a significant role in climate. However, longitude mainly affects time zones and does not have a direct impact on climate patterns.

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  • 37. 

    The types of mechanical weathering do NOT include

    • Exfoliation

    • Frost wedging

    • Salt-crystal growth

    • Oxidation

    Correct Answer
    A. Oxidation
    Explanation
    Oxidation is not a type of mechanical weathering. Mechanical weathering refers to the physical breakdown of rocks without any change in their chemical composition. Exfoliation, frost wedging, and salt-crystal growth are all examples of mechanical weathering processes. Exfoliation occurs when outer layers of rocks peel away due to pressure release, frost wedging happens when water freezes in rock cracks and expands, and salt-crystal growth occurs when salt crystals form and expand in rock pores. Oxidation, on the other hand, is a chemical weathering process where rocks react with oxygen in the presence of water or air, causing them to rust or change color.

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  • 38. 

    Midlatitude cyclones in the U.S. generally move in what direction?

    • East to West

    • West to East

    • North to South

    • South to North

    • They remain stationary

    Correct Answer
    A. West to East
    Explanation
    Midlatitude cyclones in the U.S. generally move from west to east. This is due to the prevailing westerly winds in the midlatitudes, known as the prevailing westerlies. These winds blow from west to east, causing the cyclones to follow a similar path. The movement of midlatitude cyclones from west to east is a result of the overall atmospheric circulation patterns in the region.

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  • 39. 

    There are ___ constant gasses in the atmospere

    • 3

    • 6

    • 4

    • 5

    • 2

    Correct Answer
    A. 3
    Explanation
    The correct answer is 3 because there are three constant gases in the atmosphere: nitrogen, oxygen, and argon. These three gases make up the majority of the Earth's atmosphere and are present in relatively stable amounts. Other gases, such as carbon dioxide and water vapor, are present in smaller quantities and can vary depending on factors like location and time.

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  • 40. 

    The climatic influence that results in variation in radiation intensity and lenth of day is

    • Air mass circulation

    • Latitude

    • Longitude

    • Topographic effects

    Correct Answer
    A. Latitude
    Explanation
    Latitude is the correct answer because it refers to the distance from the equator, which affects the angle at which the sun's rays hit the Earth's surface. This angle determines the intensity of radiation received, with higher latitudes receiving less intense radiation. Additionally, latitude also affects the length of the day, with higher latitudes experiencing longer or shorter days depending on the season. Therefore, latitude plays a significant role in the variation of radiation intensity and length of day, making it the correct answer.

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  • 41. 

    Which of the following is Not true about soils?

    • Plants, animals, and bacteria living in and above a soil influence the amount of organic matter a soil has

    • Steep slopes tend to have thicker, wetter soils than soils at the base of a hillslope

    • As soils get older, they tend to get thicker and have better developed horizons

    • The climate of a region affects soil development by controlling the rate of chemical reactions

    Correct Answer
    A. Steep slopes tend to have thicker, wetter soils than soils at the base of a hillslope
    Explanation
    Steep slopes tend to have thinner, drier soils than soils at the base of a hillslope. This is because the steep slope allows water to drain quickly, leading to less water retention in the soil and therefore thinner and drier soil. In contrast, at the base of a hillslope, the soil is more likely to accumulate water and organic matter, resulting in thicker and wetter soils.

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  • 42. 

    The elevation at which the bottoms of clouds begin to form represents the elevation at which

    • The dew point occurs

    • Relative humidity reaches 100 percent

    • Relative humidity reaches 0 percent

    • A and B

    • A and C

    Correct Answer
    A. A and B
    Explanation
    The elevation at which the bottoms of clouds begin to form represents the elevation at which the dew point occurs. This is because clouds form when air rises and cools, causing water vapor to condense into liquid droplets. The dew point is the temperature at which air becomes saturated and condensation occurs, leading to the formation of clouds. Additionally, when the relative humidity reaches 100 percent, it means that the air is fully saturated and the dew point has been reached. Therefore, both the dew point occurring and the relative humidity reaching 100 percent are associated with the elevation at which clouds begin to form.

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  • 43. 

    The point in the Earth's orbit where it is closest to the Sun is called

    • Aphelion

    • Preihelion

    • The rotation axis

    • The plane of the ecliptic

    Correct Answer
    A. Preihelion
    Explanation
    The correct answer is "perihelion". Perihelion refers to the point in the Earth's orbit where it is closest to the Sun. This occurs because the Earth's orbit around the Sun is elliptical, meaning it is not a perfect circle. The opposite point in the Earth's orbit, where it is farthest from the Sun, is called aphelion. The rotation axis refers to the imaginary line around which the Earth rotates, and the plane of the ecliptic is the plane that contains the Earth's orbit around the Sun.

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  • 44. 

    Which part of a hurricane consits of sinking air and relatively calm conditions?

    • Eye wall

    • Cold front

    • Spiral rain bands

    • Eye

    Correct Answer
    A. Eye
    Explanation
    The answer is "Eye" because the eye of a hurricane is the center of the storm, where sinking air and calm conditions prevail. It is surrounded by the eyewall, which is the most intense part of the hurricane with strong winds and heavy rainfall. The eye provides a temporary relief from the storm's destructive forces, making it a relatively calm and clear area.

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  • 45. 

    The broad biome types do NOT include

    • Tundra

    • Forest

    • Savanna

    • Desert

    • Grassland

    Correct Answer
    A. Savanna
    Explanation
    The broad biome types include tundra, forest, desert, and grassland. Savanna, on the other hand, is not considered a broad biome type. Savannas are a specific type of grassland biome characterized by a mix of grasses and scattered trees. They are typically found in tropical and subtropical regions with a distinct dry and wet season. Therefore, the correct answer is Savanna.

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  • 46. 

    The uplift of air that occurs when bubbles of warm air rise within an unstable body of air is called

    • Orographic uplift

    • Frontal uplift

    • Convergent uplift

    • Convectional uplift

    Correct Answer
    A. Convectional uplift
    Explanation
    Convectional uplift refers to the upward movement of warm air bubbles within an unstable body of air. As the air near the surface of the Earth heats up, it becomes less dense and rises. This process is known as convection. The rising warm air creates an uplift, leading to the formation of clouds and potentially causing precipitation. Convectional uplift is commonly associated with the formation of thunderstorms and is a key mechanism for the vertical movement of air in the atmosphere.

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  • 47. 

    The global average air temperature is projected to increase by at least ___ degrees C over the next century?

    • 4

    • 1

    • 3

    • 2

    • 0

    Correct Answer
    A. 2
    Explanation
    The global average air temperature is projected to increase by at least 2 degrees C over the next century. This projection is based on scientific studies and climate models that take into account various factors such as greenhouse gas emissions and historical temperature trends. The increase in temperature is primarily attributed to human activities, particularly the burning of fossil fuels, which release large amounts of carbon dioxide into the atmosphere and contribute to the greenhouse effect. This projected increase in temperature has significant implications for the environment, including more frequent and intense heatwaves, rising sea levels, and disruptions to ecosystems.

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  • 48. 

    The global average air temperature since 1880 has

    • Increased by 1 degree C

    • Decreased by 1 degree C

    • Increased by 2 degree C

    • None of the above

    Correct Answer
    A. Increased by 1 degree C
    Explanation
    The global average air temperature has increased by 1 degree Celsius since 1880. This indicates a significant rise in temperature over the past century, which is consistent with the scientific consensus on global warming. Factors such as greenhouse gas emissions and human activities have contributed to this increase in temperature. The data collected from various sources and studies support the conclusion that the global average air temperature has indeed increased by 1 degree Celsius.

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  • 49. 

    When water condenses, it ____ heat energy and ____ surrounding air.

    • Absorbs; cools

    • Releases; cools

    • Releases; heats

    • Absorbs; heats

    Correct Answer
    A. Releases; heats
    Explanation
    When water condenses, it releases heat energy and heats the surrounding air. This is because condensation is the process of water vapor turning into liquid water, and during this phase change, energy is released in the form of heat. As the water vapor cools and condenses, it transfers its heat energy to the surrounding air, causing it to become warmer.

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Quiz Review Timeline (Updated): Mar 20, 2023 +

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
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  • Dec 03, 2010
    Quiz Created by
    Lucky7sep

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