What role do fossils play in the investigation process?

Fossils are physical evidence of preexisting organisms, either plant or animal. Fossils of any kind are useful in "reading the rock record," meaning they help us decipher the history of the earth.Explanation:

Fossils are physical evidence of preexisting organisms, either plant or animal. Fossils of any kind are useful in "reading the rock record," meaning they help us decipher the history of the earth. ... They can help us determine the geologic age and environment (the paleoenvironment) in which they were deposited.

Explanation:

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explanation:

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