(a) Discuss the main features of rotational bush fallowing in West Africa

(b) Describe the major factors affecting the practice of bush fallowing in West Africa

(c) Explain the problems associated with this farming method. 
 

(a) Draw a sketch map of Africa and on it mark and name the following dams:
(i) Kariba
(ii) Aswan
(iii) Cabora Bassa
(iv) Akosombo
(v) Owen

(b) With reference to specific examples in Africa, discuss the importance of hydro-electric power projects to the economy

(c) Explain the problems facing the development of hydro-electric power projects in Tropical Africa. 
 

(a) Describe the methods of lumbering used in either Zaire or Nigeria

(b) Discuss the problems associated with the exploitation of timber in the area

(c) Using relevant examples, discuss the economic importance of lumbering in Equatorial Africa. 
 

Write a geographical account of ECOWAS under the following headings

(a) Aims and objectives

(b) Membership

(c) Possible solutions
 

(a) State three reasons to show that the earth is spherical

(b) Describe three effects of the revolution of the earth

(c) Calculate the noon altitude of the sun at the Tropic of Capricorn on June 21