(a) Give any three reasons each for the
(i) high volume of trade between Nigeria and the U.S.A.
(ii) low volume of trade between Nigeria and Ghana

(b) Suggest any four ways of improving trade between Nigeria and other West African countries. 
 

(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. 
 

(a) On a sketch map of Nigeria, locate and name:
(i) the Chad Basin and the Western Highlands; (ii) one important river in one of the regions (iii) one important town in each region.

(b) State three ways in which the relief and drainage of the Chad Basin differ from those of the Western Highlands.

(c) Highlight three problems of development in the Chad Basin.
 

(a) On an outline map of Nigeria, show and name:
(i) the mangrove swamp forest (ii) the Sahel savanna (iii) the Guinea savanna (iv) one major town in (a)(i) and (a)(iii) above.

(b) Highlight three main characteristics of the Guinea Savanna vegetation.

(c) Outline four ways in which the mangrove swamp forest is of economic importance. 

(a) Draw an outline map of West Africa, and on it, locate and name (outside your country):
(i) two areas with a population density of over 500 persons per square kilometre
(ii) two areas with a population density of less than 50 persons per square kilometre
(iii) one important town in one of the areas shown in (a)(i) above

(b) Highlight three factors that favour the high population density in one of the areas shown on your map

(c) In what four ways is high population concentration a problem to the area described in (b) above?