11-01-2021
Biology

contestada

What are index fossils and how can they be used to help find the relative age of the rock layers?

Respuesta :

ilovebda196396 ilovebda196396

15-04-2021

Answer:

Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period.

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