(a) Outline four components of soil.

(b) Describe, using a diagram, the soil profile.

(c) Highlight any three farming practices that can lead to soil erosion. 
 

(a) Highlight characteristic features of the Tropical Continental Climate.

(b) Describe the vegetation of the Savanna region. 
 

(a) Outline four factors which promote international trade between your country and the outside world

(b) Explain three problems involved in the trade between your country and other West African countries

(c) Suggest three solutions to the problems explained in 1(b) above. 
 

(a) In what five ways has railway transport contributed to economic development in Tropical Africa?

(b) Suggest five ways of improving the development of railway transport in Tropical Africa. 
 

(a) Highlight three human and three physical factors which may favour a rapid growth of population.

(b) State four problems that may arise from rapid population growth.