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zzz [600]
2 years ago
6

PLEASE HELP!!

Biology
2 answers:
PIT_PIT [208]2 years ago
7 0

Answer:An index fossil

Explanation:An index fossil can be used to identify a specific period of time. Organisms that make good index fossils are distinctive, widespread, and lived briefly. Their presence in a rock layer can be used to identify that period of time over a large area.

aev [14]2 years ago
3 0

Answer:

Index

Explanation:

An index fossil can be used to identify a specific period of time. Organisms that make good index fossils are distinctive, widespread, and lived briefly. Their presence in a rock layer can be used to identify that period of time over a large area.

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