Chemistry, 21.11.2020 20:00, jpimentel2021

8. Which of the following are reasons why Index fossils are chosen for determining ages of rocks? Select all that apply . A Found commonly in rocks
B. Distributed over a very wide range
C. Are always dinosaurs
D. Limited life existence in geologic time.

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8. Which of the following are reasons why Index fossils are chosen for determining ages of rocks? Se...