Which is needed to turn an igneous rock or sedimentary rock into a metamorphic rock?
A. heat and pressure
B. melting and cooling
C. freezing and cementation
D. erosion and depositon
1 answer
A. heat and pressure
A. heat and pressure
B. melting and cooling
C. freezing and cementation
D. erosion and depositon
1 answer
1 answer
1 answer
1 answer
1 answer