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What does an unconformity in a sequence of rock layers reveal about geologic history?
A: A rock layer must have turned upside down.
B: A layer of rock might have eroded.
C: The layers must cover hundreds of square miles.
D: The layers must have been deposited very quickly.
Answers
Answered by
1
Answer:
the answer is B.
Explanation:
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Answered by
0
Answer:
A layer of rock might have eroded
Explanation:
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