Study the map extract on a scale of 1:50,000 and answer the following questions:
(a) On the map, mark and name one example of each of the following features with the letters in bracket:
(i) Spur (SP);
(ii) Gentle slope (GS);
(iii) Watershed (WS);
(iv) V-shaped valley (VS).
(b) In your answer booklet;
(i) calculate the length (in km) of River Dakorobi from its source to the point where iL joins River Sencha. (Show all workings clearly);
(ii) describe the relief of the mapped area.
(c) Highlight the influence of relief on settlement in the area. P
The Table below shows the volume of air passenger traffic between Lagos and four other cities in Nigeria in 1985. Study the table and use the data in it to answer the questions that follow:
| S/N | Route | No. of passengers |
| 1 | Lagos - Abuja | 500,000 |
| 2 | Lagos - Enugu | 200,000 |
| 3 | Lagos - Port Harcourt | 400,000 |
| 4 | Lagos - sokoto | 300,000 |
(a) Using the attached map of Nigeria - Map B, construct a flow map/chart to represent the data in Table 1.
(b) State two advantages cf representing data with flow maps.
Write a geographical account of Hot Desert Climate under the following:
(a) Location
(b) Characteristic features,
(c) Vegetation,
(d) Human activities.
(a)(i) Define the term Environmental Resources,
(ii) List two types of Environmental Resources other than water.
(b) Highlight four ways in which water is important as an environmental resource.
(c) Outline two problems that might arise from the degradation of water resources.
