What causes metamorphic rocks to form from existing rocks?
O magma and minerals
O heat and pressure
O exposure to Earth's mantle
exposure
to Earth's surface

What causes metamorphic rocks to form from existing rocks O magma and minerals O heat and pressure O exposure to Earths mantle exposure to Earths surface class=

Respuesta :

I think it's Heat and pressure

Answer:

heat and pressure did on edge

Explanation: