which phrase describes how metamorphic rocks form? form from melting form at earth’s surface form from…

which phrase describes how metamorphic rocks form? form from melting form at earth’s surface form from sediments form from existing rocks

which phrase describes how metamorphic rocks form? form from melting form at earth’s surface form from sediments form from existing rocks

Answer

Brief Explanations:

Metamorphic rocks are formed when existing rocks (either igneous, sedimentary, or other metamorphic rocks) undergo physical - chemical changes due to high pressure, high temperature, or chemically - active fluids. Melting forms igneous rocks. Rocks forming at Earth's surface are often sedimentary. Rocks forming from sediments are sedimentary.

Answer:

form from existing rocks