Question
Name the types of igneous rocks and write one difference.

Answer

The two types of igneous rocks are extrusive and intrusive igneous rocks.
A difference between the extrusive and intrusive igneous rocks is that extrusive igneous rocks are formed when molten lave coming on the Earth's surface rapidly cools down and becomes solid.
On the other hand, intrusive igneous rocks are formed when the molten magma cools down deep inside the Earth's crust and becomes solid.

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