1.a) Differentiate between igneous rocks and sedimentary rocks.

    b) Explain the processes responsible for the formation of igneous rocks in East Africa

2. To what extent have human activities been responsible for occurrence of landslides in East Africa?

3. Explain the influence of denudation processes on the formation of lakes in East Africa.

4.Study the photograph provided below and answer the questions that follow:

a) Draw a landscape sketch and on it mark and name:
    i) two physiographic regions
   ii) any four land-use types.

b) Describe the relationship between relief and land-use types in the area shown on the photograph.
c) Giving reasons, explain any three sources of energy that are being used by the people living in the area shown on the photograph.
d) i) With evidence from the photograph, describe the problems faced by the people living in the area shown on the photograph.
   ii) Giving reasons for your answer, suggest an area where the photograph cud have been taken.

6. Account for the decline of Savannah vegetation cover in East Africa.

7. a) Distinguish between terrestrial radiation and solar radiation.
    b) Describe the conditions that influence the in – coming solar radiation in an area.

8. Discuss the causes and effects of soil erosion in East Africa.