Multiple Choice
The principle of stratigraphic superposition tells us that _____.
A) a rock unit is older than any geologic feature that disturbs or cuts it.
B) the oldest rock strata in any undisturbed sedimentary sequence are on the bottom,and the youngest are on the top.
C) sedimentary rock strata are deposited in flat-lying layers,one on top of another.
D) All of the above are true.
Correct Answer:

Verified
Correct Answer:
Verified
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