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Cards In This Set
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All changes within the Earth system are unidirectional and cannot be reversed.
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False
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The factors that affect Earth’s long-term climate are different from those that affect climate on shorter time scales.
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True
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Which of the following processes may be responsible for short-term cooling, yet in the long term favors warm, greenhouse climate?
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Volcanism
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Which of the following processes releases carbon dioxide into the atmosphere?
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Volcanism
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The presence of liquid water on Earth’s surface is…
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Unique within the solar system; liquid water would not have developed had Earth been much closer or farther from the sun.
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Which of the following processes removes carbon dioxide from the atmosphere?
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Photosynthesis
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Currently, global warming appears to be most strongly affecting the climate and wildlife of … regions.
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Polar
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During most of the Mesezoic, Earth was
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Significantly warmer than at any time within the last few million years.
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Due to global warming, the Earth is now warmer than it ever has been in geologic history.
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False
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The two most common elements in the crust of Earth are …
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Oxygen and Silicon
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Earth’s surface is protected from solar wind and cosmic radiation by …
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Earth's magnetic field
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With increasing altitude, the concentration of gases in our atmosphere …
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Becomes less dense
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Presently, Earth’s atmosphere is dominated by which two gases?
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Nitrogen and Oxygen
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In the whole Earth, the four most common elements are oxygen, silicon, magnesium, and …
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Iron
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Moving into interior of Earth, temperature …
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And pressure both increase
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