(a) State five ways in which highlands promote economic development in the North Central Highlands

(b) What five characteristics of highlands hinder the development of the region?
 

(a) Draw a map of Nigeria and on it, locate and name
(i) three solid-mineral-mining towns and the solid mineral foi in each
(ii) three refinery towns

(b) Outline any four contributions of solid minerals to the economy of Nigeria

(c) State any three problems which face the mining of solid minerals in Nigeria
 

(a) Outline any three factors which favour lumbering in Nigeria

(b) Highlight any four contributions of lumbering to economy of Nigeria

(c) State any five problems facing lumbering in Nigeria 
 

(a) Name any four ocean currents along the coast of Africa

(b) Highlight the effects of any two different types of currents on the climate of Africa 

(a) Give any three reasons why irrigation agriculture is more important in the Nile Basin than in the Niger Basin

(b)(i) Outline four other uses of the River Nile
(ii) State any four characteristics of the river which limit its usefulness