Answer:
Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock. The parent rock can be either sedimentary, igneous, or even another metamorphic rock. ... This changing of rock types is called the "Rock Cycle".
Explanation:
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A. Spin because in a twirling motion tend to become a spinning type of motion. I think
The Crust is the layer that experiences the least amount of pressure
