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Which of the following come from types of organisms that lived during

only one short period of time and that are used to determine the
relative age of rocks?
a. imprints
b. index fossils
c. trace fossils
d. extrusions

User Danyhow
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2 Answers

2 votes
No it's b index fossil
User Kharel
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I think its c.trace fossils because this is an print of an organism that was of the animal, but produced from them, which means it could be put on a rock.
User Vivek Shukla
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