Which process would change metamorphic rock to igneous rock?

A. Cooling followed by cementation
B. Melting followed by cooling
C. Erosion followed by compaction
D. Pressure followed by weathering

1 answer

The correct process that would change metamorphic rock to igneous rock is:

B. Melting followed by cooling.

This process involves the metamorphic rock melting into magma, and then that magma cooling to form igneous rock.