(a) Draw an outline map of Nigeria. On it, locate and name' (i) The Chad Basin. (ii) The Western Highlands; (iii) One important town in (a)(i) or (ii) above...

(a) Draw an outline map of Nigeria. On it, locate and name' (i) The Chad Basin. (ii) The Western Highlands; (iii) One important town in (a)(i) or (ii) above. 
(b) Describe the geography of the Western Highlands under the following headings: (i) Relief: (ii) Economic activities: 
(iii) Problems of development.