Igneous rocks are also caused primary rock because
They are formed due to cooling and solidification of magna
They were the first rock to originate during formation of earth `s crust
All other rocks are subsequently formed from igneous rock
Both b. and c.
Explanation:
Although it’s true that igneous rocks are formed due to cooling and solidification of magna, 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.
Although it’s true that igneous rocks are formed due to cooling and solidification of magna, 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.