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solniwko [45]
2 years ago
8

Please help me please

Biology
1 answer:
rosijanka [135]2 years ago
8 0

Answer:

index fossils are fossils used to identify different geological periods of time. they are important for scientists to understand the time frame of which they're collecting strata from. criteria that make thes fossils are being easy to recognize, large in number and size

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