(a) With specific examples give four reasons why countries exchange goods and services

(b) Account for the low volume of trade between Nigeria and the rest of Africa. 
 

(a) On an outline map of Nigeria locate and name:
(i) one important sea port and one important river port
(ii) The road or railway serving each of the ports in (i) above
(iii) one international airport and one domestic airport

(b) What four factors have helped the development of any one of the ports?

(c) What two factors have limited the use of any one of the ports? 
 

(a) Draw a sketch map of Nigeria to show any three vegetation belts.

(b) Describe the effects of climate on the vegetation of any one of the belts

(c) Name any two resources found in the vegetation belt shown in (a) above and describe any two uses of each. 
 

(a) Draw a sketch map of Nigeria, and on it mark and name
(i) one area of high population density
(ii) one area c population density
(iii) one town in each area shown

(b) Give four reasons in each case for the type of population density shown on your map. 
 

(a) On a sketch map of Nigeria, mark and name the following
(i) the Western Uplands, the Udi Hills and the North Central Plateau
(ii) one important river basin
(iii) one natural lake and one man-made lake

(b) Explain with specific examples the importance of river basin in the development of Nigeria

(c) What three factors are limiting the use of river basins in Nigeria?