(a) On an outline map of Nigeria, locate and name one area noted for each of the following: (i) tin mining; (ii) limestone mining; (iii) thermal power stati...

(a) On an outline map of Nigeria, locate and name one area noted for each of the following:
(i) tin mining; (ii) limestone mining; (iii) thermal power station; (iv) oil refinery; (v) hydro-electric power station.

(b) Describe the method of mining tin in Nigeria

(c) State four ways in which minerals are of economic importance to Nigeria.