zthezebra zthezebra

07-12-2021
Biology

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How do index fossils help scientists?

How do index fossils help scientists class=

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azrakraya azrakraya

11-12-2021

Fossils are used to determine the ages of rock layers. ... Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in.

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