EAS Final Practice 2.0 tests understanding of Earth and planetary sciences, including the formation of igneous rocks, theories of planetary motion, electromagnetic radiation, atmospheric oxygen, and characteristics of scientific theories.
A person on Earth
A person on a spaceship orbiting Earth at a speed of 0.8 c (the speed of light)
Neither, they will age at the same rate
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It has a runaway greenhouse effect
It has no greenhouse gases
It has less water than earth
It has the same gas composition as mars
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Cometary bombardment
Respiration
Photosynthesis
Precipitation
Weathering of rocks
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Big island of Hawaii
Mid-ocean ridge
Andes mountains
Southern Illinois
On Stone Mountain
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Enhanced
Lessened
The same
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Mars is outside the habitable zone of our solar system
The martian atmosphere is almost entirely carbon dioxide
Gravitational attraction by the planet jupiter
Mars is no longer tectonically active
The martian albedo is too high
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Banded Iron Formations
Ash layers in sediments
Redbeds
None of the above
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It is based on research of a substantial amount of data
It is a speculation based on limited research
It must be able to predict future events with a measurable degree of accuracy
It is consistent with other related theories
None of the above
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Gravity
Creation of life
Evolution of life
Relativity
None of the above
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Galileo
Tycho Brahe
Hipparchus
Kepler
Copernicus
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Increase
Decrease
Stay the same
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Technicium
Iridium
Uranium
Thorium
Iron
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Capture of hyrodgen from the sun
Meteors
Comets
During the accretion process water floated to the surface
None of the above
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Alpha-decay
Beta-decay
Neutron capture
Electron capture
None of the above
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Shielding earth from cosmic radiation
Gravitationally scavenging meteors which could strike earth
Absorbing excess solar radiation
Capturing dust from dense interstellar dust clouds
None of the above
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The comparison of radionuclides in carbonaceous meteorites
Bode's law
The deficiency of volatile elements among the inner planets
Some elements on earth are only produced in supernovae
None of the above
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The atmosphere used was oxidizing
The experiment failed to produce organic molecules
The molecules produced could not sustain themselves or reproduce
The pre-biotic earth atmosphere closely resembled that of the experiment
None of the above
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The planet has a iron-nickel core
The planet has a layer of molten material in its interior
The planet has a solid interior
The planet is tectonically active
These data do not support any of the above assumptions
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Tidal locking between the earth and moon
The similarity of O-18 between lunar and terrestrial samples
The presence of lunar marae
The increasing distance between the earth and moon
The absence of a lunar atmosphere
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The universe had expanded
Most free electrons had become attached to atoms
Helium atoms had formed
Gravity had begun to form stars
None of the above
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A snowball-earth event, triggered by plate tectonics
Anthropogenic global warming (burning of fossil fuels)
A super-plume event
A major meteorite/asteroid impact
None of the above, they are all likely to cause mass extinctions
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Increase
Decrease
Stay the same
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The earth was once molten and the denser materials sank towards the center
Gravity pulled the denser material in frist and material of lesser densities later
Less dense material was blown away by the ignition of the sun
Bodes law
None of the above
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Earth is the only planet in our solar system with significant oxygen
The primary source of terrestrial oxygen is photosynthesis
Earth has always had an oxidizing atmosphere
A secondary source of terrestrial oxygen is hydrogen escape
If most terrestrial iron were not in the planetary core, there would be no atmospheric oxygen
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Organic decay
Volcanic degassing
Metamorphosis of limestone into feldspars
Photosynthesis
Carbonate formation in the oceans
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Newton
Kepler
Copernicus
Einstein
Wegener
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Sedimentation in the oceans
Metamorphosis of sediments containing gold in subduction zones
Precipitation of deposits from water solution in the lithosphere
Deposition of placers in slow moving stream beds
Leaching of gold from rocks by superheated water
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A brown dwarf
A blue star
A red giant
A yellow star
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Life may have originated in anaerobic environments (black smokers) in the ocean
Evolution is only a theory and should not be considered as any better than other explanations
It is possible that life originated on another planet, and organisms were carried here on meteorites or comets
After mass extinctions there is evidence of an explosion of biodiversity
None of the above
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Photosynthesis began
The first oxygen was present in the surface oceans
Significant oxygen began to be present in the deep ocean
Trace amounts of oxygen began to be present in the atmosphere
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Upper right
Upper left
Lower left
Lower right
Center
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