Question

What changes igneous or sedimentary roxks into metamorphic rock

Answer 1

Metamorphic rock can change into igneous or sedimentary rock and Igneous rock forms when magma cools and makes crystals

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(jacemorris04)

Answer 2

Hello...

What changes igneous or sedimentary rocks into metamorphic rock?

This process happens when magma goes into the cooling stage and creates crystals. Magma is made of hot materials.