Question

The main agents that cause metamorphic rocks to form are

A. weathering and erosion.
B. heat and pressure.
C. melting and cooling.
D. deposition and compaction.​

Answer 1

B. heat and pressure.

Step-by-step explanation:

They form when rocks are exposed to high heat and high pressure.

Answer 2

B. Heat and Pressure

Step-by-step explanation:

This is because the rocks were once igneous or sedimentary which underwent change through physical and chemical processes...

I hope u will understand it :-):-)