multiple - choice question\nregional metamorphism is caused by:\nboth heat and pressure\npressure\nheat

multiple - choice question\nregional metamorphism is caused by:\nboth heat and pressure\npressure\nheat

multiple - choice question\nregional metamorphism is caused by:\nboth heat and pressure\npressure\nheat

Answer

Brief Explanations:

Regional metamorphism occurs over large - scale areas due to tectonic forces. It involves significant changes in rock minerals and textures, which are a result of both heat from the Earth's interior and high pressure from tectonic activity.

Answer:

both heat and pressure