Question

1. what processes are involved in metamorphic rock changing into igneous rock? heat and pressure weathering and erosion compaction and cementation melting and cooling

Explanation:

Igneous rocks form from the cooling and solidification of magma or lava. Metamorphic rock must first melt to become magma, and then cool to form igneous rock. Heat and pressure change rocks in a different way (metamorphism), weathering and erosion break down rocks, and compaction and cementation form sedimentary rocks.

Answer:

melting and cooling