Accepted Answer
The most metamorphic rock form deep within the Earth's crust, where there is high pressure.
Suggested Answer
Metamorphic rocks form wherever there is a lot of pressure including in the earths crust and at the bottom of the ocean.
The most metamorphic rock form deep within the Earth's crust, where there is high pressure.
Metamorphic rocks form wherever there is a lot of pressure including in the earths crust and at the bottom of the ocean.