Question

Why does molten rock material cool more slowly underground?

Answer 1

All igneous rocks form as magma or lava cools and solidifies. Intrusive igneous rock is a type of igneous rock that forms from magma, which means it forms completely underground. The magma that forms intrusive igneous rock cools much more slowly than igneous rock that forms above ground.

Answer 2

Step-by-step explanation:

Igneous rocks that solidify underground cool so slowly because they are insulated. There are layers of rock and soil above them that trap the heat...