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Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation
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What is most often given a value of zero to describe an object’s position on a straight line? displacement reference point distance ending location
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Which component of a milankovitch cycle is related to periodic ice ages throughout earth’s history?
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Which of these statements about hydroelectric power is true...
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