Question

Contact metamorphism _____.

1.) is caused by high temperatures
2.) usually affects a very large area
3.)happens when mountains are formed
4.)occurs along fault lines

The answer is in this paragragh!!!!!!

[Diagram of location where contact metamorphism occurs] Contact metamorphism also happens at low pressure, but at high temperature. Magma from an intrusion contacts preexisting rock. It seeps into tiny spaces and heats the rock. Contact metamorphism affects a small area and forms fine-grained, non-foliated rock.

Answer 1

1.) is caused by high temperatures.

It says it in the very first sentence. That it happens at high temperatures.

Hope this helps.