Answer:
The correct answer is igneous rocks.
Explanation:
Igneous rocks or magmatic rock is one of the 3 major rock types. Igneous rock is made by the cooling and solidification of lava or magma. Igneous rocks is of two type on the basis of their formation, if the magma crystallizes below the surface of earth and slow cooling form the big crystals of rocks is called intrusive igneous rock whereas extrusive igneous rocks are the rocks which are crystallized from the volcanic magma poured out on the surface of the earth by slow cooling. Extrusive igneous rocks are also known as volcanic rocks.
Thus, the correct answer is igneous rocks.