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A geologist is studying a geologic cross section of rock layers in a national park. The rock layers appear to be well preserved and undisturbed.

Which statement best identifies the oldest rock layer in the cross section?

Respuesta :

00028565

Answer: Sediment rock layers.

Explanation:

The bottom one is the hardest one.

Which over the years compresses and hardens over time.

Answer:

The oldest rock layer is the one at the very bottom

Explanation:

The new layers of rock pile on top of the oldest ones.

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