An intrusive igneous rock is formed from
A)lava that cools rapidly on the earth's surface.
B)magma that cools slowly beneath the earth's surface.
C)other rocks that are transformed by heat,pressure,or chemical reactions beneath the earth's surface.
D)sediments that have accumulated under water in horizontal beds.

Question

Quizplus · Accepted Answer

Intrusive igneous rocks are formed from magma that cools slowly beneath the earth's surface, giving the crystals time to grow and producing a coarse-grained texture. Lava that cools rapidly on the earth's surface forms extrusive igneous rocks. Option C refers to metamorphic rocks, and option D refers to sedimentary rocks.

An Intrusive Igneous Rock Is Formed from