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1.
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part molten, plastic like flowing part of the mantle
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asthenoshere
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2.
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study of objects beyond eath's atmosphere
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astronomy
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3.
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blanket of air that surrounds the earth
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atmospere
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4.
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all of earth's organisms & the envirment they live in
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biosphere
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5.
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study of materials that make up the earth and the procesesses that form & change them
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geology
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