(a) (i) On an outline map of Nigeria, show the area that is mostly affected by desert encroachment
(ii) Locate an name two important towns within the area

(b) Describe the major causes of desertification

(c) Explain two possible ways of combating this hazard. 
 

(a) Name one cottage industry and o manufacturing industry in any one of the zones shown on your map

(b) Account for the location of each of the industries named in (a) above.
 

(a) Explain any four factors which limit the rate of development in the southern coastlands of Nigeria

(b) In what four ways can the development of the region be enhanced? 
 

 (a) On a sketch map of Africa, mark and name
(i) one forest belt
(ii) one tropical grassland belt
(iii) one major town in each belt

(b) Highlight the characteristics of any one of the vegetation belts shown on yo map

(c) Describe the importance of the vegetation belt chosen in (b) above to man 
 

(a) On an outline map of Africa, mark and name
(i) one area important for gold in Ghana
(ii) one area important f petroleum in Libya
(iii) one area important for copper in Zaire
(iv) one important town in each area

(b) Using specific examples, show how mining has contributed to economic development in West Africa

(c) In what four ways has mining posed a problem to the environment in WestAfrica?