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snow_lady [41]
3 years ago
6

To compare the ages of rock layers to each other, scientists can use an easily identifiable and widely distributed fossil called

Biology
2 answers:
ehidna [41]3 years ago
5 0
The answer is an index fossil.

Hope that helps (:
Serjik [45]3 years ago
4 0
Index fossil is the answer. sorry if I’m late
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