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Chemistry, 06.07.2019 02:00 aesthetickait

Fossils found in layers of sediment give us clues to earth's past. based on the fossil record of this area, we can assume that this area wasa. once a desertb. once underwaterc. much colder in the pastd. located ina different place on earthi already know the answer i'm just giving sombody some free points if they answer. the answer is b. once underwater

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