Geologic processes that assist in the formation of metamorphic rock include a. crystallization c. faulting b. tectonic folding d. both b and c

The answer is d)both b and c

Explanation:

When igneous rocks arise on the surface they undergo a sedimentation process, leading to the formation of sedimentary rock; if it is buried at a depth and is subjected to metamorphosis processes such as, for example, high compression forces and temperature increase, the rock will become a metamorphic rock.

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