What are the uses of rocks?
Rocks are used for many purposes but some of them that we can see in our daily life are cited below :
Answer the following questions.
(i) What are the three layers of the Earth?
(ii) What is a rock?
(iii) Name three types of rocks.
(iv) How are extrusive and intrusive rocks formed?
(v) What do you mean by a rock cycle?
(vi) What are the uses of rocks?
(vii) What are metamorphic rocks?
Answer the following questions briefly. Why are river plains thickly populated?