IDNLearn.com: Your one-stop destination for finding reliable answers. Whether your question is simple or complex, our community is here to provide detailed and trustworthy answers quickly and effectively.

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.


This is Science