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How do index fossils help scientists?
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How do index fossils help scientists?

User ErAB
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Answer:

They aid in comparison of rock layers at distant locations.

Step-by-step explanation:

User Itslittlejohn
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Answer: Index fossils are used to identify layers of rocks. The layers will form an arrangement that relates to their age. In simpler terms, a layer that contains fossils are unique to that certain layer.
Index fossils are fossils that are mostly used by scientists due to it being easily found anywhere around the world and in abundant amounts. It can also be easily identified since they are fossils of widely varied organisms that lived during one short time period.
User Duggu
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