(a) Draw an outline map of Nigeria. On it show and name one area important for the mining of:
(i) coal; (ii) limestone; (iii) crude oil; (iv) tin; (v) one important town in (a)(i) to (a)(iii) above.

(b) Describe three problems associated with the exploration of minerals in Nigeria.

(c) Highlight three contributions of minerals to the economic development of Nigeria.