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Which layer contains an index fossil? How do you know

Which layer contains an index fossil? How do you know-example-1

2 Answers

7 votes
location 3 because they live through only short periods of times
answered
User Fergus Bown
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4 votes
layer C because an index fossils are fossils of widely distributed organisms that lived during only one short time period.. an index fossil is most likely going to be shells or trilobites so the best layer is C

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