question_answer 9)

Match the following: (i) Core                     a. Changes into state (ii) Minerals             b. Used for roads and buildings (iii) Rocks                 c. Made of silicon and alumina (iv) Clay                     d. Has definite chemical composition (v) Sial                        e. Innermost layer.  

Answer:

(i)—e, (ii)—d, (iii)—b, (iv)—a, (v)—c.