Question

Igneous Rocks
Answer in 1 sentence each.
A. Why are igneous rocks called so?
B. Why are igneous rocks also called
primary rocks?
C. What are the two types of igneous rocks?
D. What is magma known as when it
comes out onto the surface of the Earth?​

Answer 1

Answer:

A. Igneous rocks are created from the cooling of molten magma/lava. All other rocks are derived from them. Because they form the basis of formation of other types of rocks, igneous rocks are known as the primary rocks.

B. Rocks which are formed by solidification of magma are known as primary rocks.

C. There are two types of igneous rock.

1.extrusive rocks in crystalline rocks

2.intrusive rocks in granular rocks

D. lava flow. ... When magma flows or erupts onto Earth's surface, it is called lava.

And mark it as brainlist answer.

Answer 2

Answer:

A. Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies.

B.Igneous rocks- formed by the cooling and solidification of magma (molten rocks). It begins the rock cycle. So, it is known as primary rocks.

C.The two main categories of igneous rocks are extrusive and intrusive.

D.When magma flows or erupts onto Earth's surface, it is called lava.