Question

Igneous rocks are also called as primary rocks because

• A. A. They are formed due to the cooling and solidification of magna
• B. B. They were the first rock to originate during formation of earth`s crust
• C. C. All other rocks are subsequently formed from igneous rock
• D. D. Both (B) and (C)

Answer 1

The correct option is D D. Both (B) and (C)

86. D

Although it’s true that igneous rocks are formed due to cooling and solidification of magma, this, however does not lead to it being called primary rocks. Igneous rocks were the first rock to originate during formation of earth`s crust. All other rocks are subsequently formed from igneous rock.