Which phenomenon leads to the formation of metamorphic rocks?
a. cooling of magma
b. deposition of sediments
c. heat and pressure
d. melting of rocks
e. minerals dissolving in water

The correct answer among the choices is C. heat and pressure. This is the phenomenon that leads to the formation of metamorphic rocks. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 

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