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Answers LPISD Earth Systems A - CR Unit TestQuestion 21

21

QuizMultiple Choice

Unit Test

Question 21 of 25 • LPISD Earth Systems A - CR

How do index fossils help scientists?

Answer

A

They aid in the study of ranges of different organisms.

B

They advance understanding of the origin of life on Earth.

C

They aid in comparison of rock layers at distant locations.

D

They advance understanding of rock type at the time the organism lived.

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Unit Test - Question 21 | LPISD Earth Systems A - CR | Revolt