Earth
The Earth's atmosphere lies just above what part of its composition?
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Which of the following is not a major component of an ecosystem?
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What is the natural process by which rocks break down into smaller chunks?
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What is the name of the reddish soils of the humid tropics?
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The "Bergeron process" deals with what kind of precipitation?
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Which pairs of minerals are almost always found together?
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What type of fossils give only evidence of activities of past living creatures?
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What type of gem is the Star of Africa or the Cullinar II?
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What permanent snowcap is within sight of the equator?
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Which of these might help keep erosion near a stream from happening?
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Which mineral is not likely to be a replacement mineral in fossils?
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A weather proverb says: "Clear moon," followed by what?
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What can help farmers control erosion in their fields?
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