Write explanatory notes on any four of the following

(a) Cocoa growing in western Nigeria

(b) Oil palm production in the eastern states

(c) Rice cultivation ire the middle belt

(d) Intensive farming in the Kano close-settled zone 
 

(a) On an outline map of West Africa, show
(i) one area having less than four months of rainfall annually
(ii) one area having rainfall all the year round
(iii) the position of the high pressure belt in January

(b) Give three reasons for the length of the rainy season in (a)(i) above

(c) Explain three problems that rainfall may pose to agriculture in (a) (ii) above 
 

(a) On an outline map of West Africa, locate and name
(i) two ECOWAS member countries along the coast
(ii) two ECOWAS member countries in the interior
(iii) the capital of each of the countries

(b) Describe six benefits which any one of the countries shown on your map derives from its membership of the ECOWAS 
 

(a) On an outline map of West Africa, show:
(i) one area each in a different country, important for diamond, petroleum and gold
(ii) one important town in each area
(iii) one route from the producing area to the port of export for each mineral

(b) Describe one method of mining any one of the minerals in (a) above

(c) Highlight four problems associated with mining in West Africa 
 

(a) On an outline map of Africa, locate and name
(i) longitudes 0° and 20°E and latitudes 4°N and 35°S
(ii) the rivers Zambezi and Volta
(iii) Mount Ruwenzor and the Atlab mountains
(iv) Yaounde and Entebbe
(v) one man-made lake along the River Nile
(vi) the Namib desert

(b) In what four ways are the rivers of Africa important?