Question

5. What are primary or igneous rocks? What are its types?​

Answer 1

Answer:

Igneous Rocks. Of the three principal rock types (igneous, sedimentary, and metamorphic), igneous rocks can be thought of as "primary" rocks because they crystallize from a liquid. Sedimentary and metamorphic rocks, which we will study later, may be thought of as derivative rocks.

Answer 2

Explanation:

the two types of igneous rocks which are intrusive which are found beneath the surface and extrusive are rocks which are formed on the surface