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.
(a) Draw a diagram to show the relief features of an ocean floor.
(b) Highlight three main characteristics of the continental shelf.
(c) In what three ways is the continental shelf of importance to man?
(a) Outline the characteristics of sedimentary rocks.
(b) Describe two ways in which sedimentary rocks can be formed
