Q: What process does not cause a rock to melt completely, instead causing the minerals to change by heat or pressure?


Read this paragraph and choose the correct option from the provided answers:

Metamorphism does not cause a rock to melt completely. It only causes the minerals to change by heat or pressure.

 Choices:

- sedimentation

- oxidation

- igneous extrusion

- metamorphism


A:
metamorphism