Question

Differentiate between extrusive and intrusive
rocks​

Answer 1

Explanation:

Intrusive igneous rocks cool from magma slowly because they are buried beneath the surface, so they have large crystals. Extrusive igneous rocks cool from lava rapidly because they form at the surface, so they have small crystals.

Answer 2

Answer:

Intrusive Rocks are igneous rocks which cool inside the crust of earth . They have larger crystals. Ex. granite

Extrusive rocks are the igneous rocks which cool above the crust of Earth. They have smaller crystals. Ex. Basalt.