Which is needed to turn an igneous rock or sedimentary rock into a metamorphic rock?(1 point)

Question

Responses

erosion and deposition
erosion and deposition

melting and cooling
melting and cooling

freezing and cementation
freezing and cementation

heat and pressure

Answer 1

To turn an igneous rock or sedimentary rock into a metamorphic rock, the process needed is heat and pressure.