Question

How are sedimentary rocks changed into metamorphic rocks?

A.
weathering and erosion

B.
melting

C.
cooling

D.
heat and pressure

Answer 1

D. : Heat and Pressure

Explanation:

(Before I explain, I think this question belongs to Science category, and not Mathematics. :)

3 factors turn sedimentary to metamorphic rocks. Heat, Pressure, and Chemical Active Fluids which formed.