Which statement describes the law of superposition? Sedimentary rocks were originally in horizontal layers.
In horizontal rock layers, each layer is younger than the one below it.
Rock layers must be in existence before something can happen to them.
Rocks that are not in horizontal layers were shifted by some geologic event.

the answer is b (horizontal rock layers, each layer is younger than the one below it)

Explanation:

in rock layers, the top layer of a rock will be the newest, or youngest. and the very first layer at the bottom will be the oldest layer since the layers build on top of each other, hope that helps :)

The answer is B, "horizontal rock layers, each layer is younger than the one below it".

Explanation: The yougest rocks are closest to the serface. Rocks also form in horizontal layers.

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