Question

The principle of uniformitarianism states that ___.

a) a cross-cutting feature is younger than the rock layers through which it cuts
b) Rock layers at the bottom are older than Rock layers above them
c) sediment spreads out in flat, horizontal layers
d) geologic process that we observed today occurred the same way in the past​

Answer 1

D. Geologic process that we observed today occurred the same way in the past.

Step-by-step explanation:

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