(a) State three differences between rail and water transport

(b) In what four ways can transportation influence economic development in any named country in West Africa

(c) Outline three problems of rail transport development in developing countries. 
 

(a) On an outline map of Nigeria show
(i) one area having an annual rainfall of under 100cm (ii) one area having an annual rainfall of over 300cm (iii) one important town in each area

(b) Describe four other climatic features of the area shown in (a)(ii)above

(c) Name and outline the characteristics of the vegetation associated with the climate described in (b) above 
 

(a) On an outline map of Nigeria locate and name
(i) one area important for each of the following: gold, petroleum, columbite
(ii) one important town in each area

(b) Explain any three contributions of mineral resources to the economy of Nigeria

(c) Highlight any four factors that limit the exploitation of minerals in Nigeria 
 

Compare the North Central Highlands with the Cross River Plain under the following headings:

(a) Relief and drainage

(b) People and settlement

(c) Economic activities 

(a) Describe two methods of irrigation agriculture in the Nile Valley

(b) Give three reasons for the development of irrigation agriculture in this region

(c) Highlight four problems associated with this type of agriculture in the Nile Valley