A scientist found a stack of rock layers with many kinds of fossils. A few kilometers away from this stack, the scientist found a nearly identical stack of layers with the same combination of fossils.
Which of the following is probably true of the stacks and the fossils they contain?
A. They represent similar environmental conditions in Earth's past
B. They represent similar life conditions in Earth's past.
C. They represent the same time interval of Earth's history.
D. all of these
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Answer:
B. They represent similar life conditions in Earth's past.
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Answer: C. they represent the same time intervals of earth's history
Explanation:
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