Question

What happens when metamorphic rock becomes igneous rock?
A.

Metamorphic rock compacts and cements to become igneous rock.
B.

Metamorphic rock undergoes heat and pressure to form igneous rock
C.

Metamorphic rock weathers and erodes to become igneous rock.

D.

Metamorphic rock melts and crystallizes to become igneous rock.

Answer 1

D. metamorphic rock melts and crystallizes to become igneous rock

Answer 2

D. Metamorphic rock melts and crystallizes to become igneous rock.

Igneous rocks form when molten rock cools and solidifies. Igneous rocks have different textures and this is because the texture is determined by how quickly the rock cools down. The rocks that tend to be near the surface cool faster than the rocks that are not close the the surface.