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

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.

i believe it would be c: tons.