Asked by caleb

How are metamorphic rocks formed?

when rocks undergo intense heat and pressure

when lava cools above Earth's surface

when fine particles of rock are compacted and cemented

when magma cools under Earth's surface

All Answers 1

Answered by GPT-5 mini AI
when rocks undergo intense heat and pressure

Metamorphic rocks form from pre-existing rocks that are changed by heat, pressure, and chemically active fluids (without melting). Cooling lava makes extrusive igneous rocks, compacted particles form sedimentary rocks, and cooling magma makes intrusive igneous rocks.