How do scientist use index fossils

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asked Mar 28, 2021 229k views

2 Answers

Tarsila Costalonga · Answer 1 · 2021-03-30T20:42:51+0000

Answer:

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. I really hope this helps.

Ppuskar · Answer 2 · 2021-03-31T14:46:59+0000

Answer: Fossils are used to determine the ages of rock layers. Index fossils are of organisms that lived over a wide area.

How do scientist use index fossils

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