(a) Explain any five factors that are responsible for the population distribution in West Africa.
(b) Outline any five advantages of low population density in some parts of West Africa.
(a) (i) Draw an annotated cross profile from point A to point B.
(ii) Are points A and B intervisible? (Give one reason for your answer)
(b) In what three ways has the relief affected the transportation network of the mapped area?
(c) Give any two reasons why the area mapped is sparcely populated.
(a) Draw an outline map of Africa. On the map, show and name:
(i) Any three rivers important for generating electricity; (ii) Any two dams on two of the rivers.
(b) Outline any five benefits of hydroelectric power to the people of Africa.
The table below shows the direct premium income of non-life insurance business for Nigeria in a particular year. Use the data to answer the questions that follow:
| Type | Value in Naira | Percentage value |
| Fire Accident Motor Marine Miscellaneous |
24,532,000 13,770,000 94,442,000 49,536,000 20,040,000 |
12.1 6.8 ? 24.5 ? |
| Total | 202,320,000 | 100 |
(a) Calculate the missing percentages for motor and miscellaneous premium incomes.
(b) (i) Construct a percentage bar graph to illustrate the above statistics.
(ii) State two disadvantages of a percentage bar graph.
(c) Suggest an alternative method of representing the statistics.
(a) Draw a sketch map of Africa. On the map, locate and name any two areas of gold mining in South Africa.
(b) Describe one method of mining gold in South Africa.
(c) State any four importance of gold mining to South Africa.