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OpenStudy (ali2x2):
A paleontologist finds a fish fossil in a sedimentary rock layer that is known to be 500 million years old. The rock layer on top of it is 450 million years old. How old is the fish fossil?
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OpenStudy (ali2x2):
there is not enough information to know about 50 million years old 500 million years old 450 million years old
OpenStudy (ali2x2):
@pooja195
pooja195 (pooja195):
i think we'd subtract... 500-450...
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