Question

Igneous rock is formed from the cooling and crystallization of magma or partially melted rock.

Igneous rock can be either intrusive or extrusive. Intrusive igneous rock has larger crystals, and extrusive igneous rock has small crystals. Sometimes the small crystals are not even visible.

What determines whether igneous rock is intrusive or extrusive?
A.
the density of the rock
B.
the chemical composition of the rock
C.
where the rock was formed
D.
where crystals in the rock are found

This is for study island.

Answer 1

Answer:

C)Where the rock is formed

Explanation:

Intrusive igneous rocks cool from magma slowly in the crust. They have large crystals. Extrusive igneous rocks cool from lava rapidly at the surface. They have small crystals

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