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Earth Sciences 17 Online
OpenStudy (izzykittyxx):

If the same index fossils are found in two separate rock layers, the two rock layers most likely... A.reveal a disconformity. B.reveal a nonconformity. C.were formed at the same time. D.were formed at different times.

OpenStudy (anonymous):

c

OpenStudy (anonymous):

d

OpenStudy (izzykittyxx):

C is right:) thanks^-^

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