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Contact [7]
3 years ago
13

(100 POINTS AND BRAINLYEST?? WOWWWW)

Biology
1 answer:
-BARSIC- [3]3 years ago
4 0

Answer: the answer is really D:  because index fossils are of organisms that existed for a short period of time. When finding them in a rock layer, you can be certain that the rock layer was formed in that small-time frame.

Explanation: I took the quiz :)

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