Answer:
Explained below
Explanation:
They are different simply in terms of how they are formed. An intrusive igneous rock is formed as a result of magma being pushed into the rock right below the earth's surface while an extrusive rock is formed as a result of lava erupting onto the surface of earth.
Both rocks are similar in terms of appearance because they both have crystals. Intrusive has large crystals while extrusive has small crystals.
