From which sources do metamorphic rocks form? Check all that apply.

soil particles

igneous rock

molten material

sedimentary rock

metamorphic rock

The correct options are

igneous rock sedimentary rock metamorphic rock

Explanation:

Metamorphic rocks can be described as a type of rocks which arise from existing rocks. The original rock which undergoes changes to for metamorphic rockas are known as a protolith. Very high temperatures and pressure changes the protolith into metamorphic rocks. The rocks which form the protolith can be igneous, sedimentary or existing metamorphic rocks. About 12% of the Earth's land surface is made up of metamorphic rocks and it makes the largest part of the Earth's crust.