Which phrase describes non-foliated rocks? have grains in parallel layers
include quartzite and marble
tend to split along their bands
form from crystallized magma

I think that it's C tell me if Im wrong.

Explanation:

B

Explanation:

D. It's because river valleys provided the Mesopotamians a better way to get irrigation and water supplies. In fact, it made their means of getting those way easy so then they will be able to fully grow crops without any worry thanks to the natural supply near their area.