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1 vote
Each column of rock layers represents a different region of the globe. Which is the best index fossil?

A. Gastropod

B. Fern

C. Crinoid

D. Ammonite

Each column of rock layers represents a different region of the globe. Which is the-example-1
User Borut
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2 Answers

1 vote
I’m pretty sure it is Ammonite too
User Md Imran Choudhury
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8.5k points
3 votes
D, I’m pretty sure He
User Zhao
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8.2k points
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