2. Igneous rocks are often found along volcanoes and plate boundaries. A. What material do igneous rocks form from? (3 points)
B. What is the difference between the formation of intrusive and extrusive i
points)

Igneous rocks that form below the Earth's surface are called intrusive igneous rocks (or plutonic). They form when magma enters an underground chamber, cools very slowly, and forms rocks full of large crystals. Igneous rocks that form above the Earth's surface are called extrusive igneous rocks

Explanation: