Question 1
- State three effects of earthquakes on built up areas
- State two causes of earth movements
Answer
-
- Leads to collapsing / cracking of building/ loss of property
- Leads to loss of human life
- May lead to disruption of transport and communication lines -
- Magma movement within the crust
- Isostatic adjustment
Question 2
- Name three divisions of human and economic geography
- Name three types of earthquakes, depending on the depth of focus
Answer
-
- Historical geography
- Cultural geography
- Demography geography -
- Kakamega Forest Reserve
- Mt. Kenya Forest Reserve
Question 3
- State two theories that explains the origin of the solar system
- State three proofs that the earth spherical
Answer
-
- Passing star theory
- Twin star / sun theory -
- The earth’s horizon appears curved when observed from a high point
- The shadow of the earth appears round on the moon during the lunar eclipse
- All other planets in the solar system are spherical and so is the earth
Question 4
-
Define the term forestry
Give three differences between natural forest and planted forests
Answer
- - It is the science of developing and managing forest
-
- Natural forests comprise of indigenous trees while planted forests are mainly composed of exotic trees
- Trees in natural forests are of mixed species while in planted forests trees are of one species
- Trees in natural forests grow haphazardly while in man-made forest trees are planted in rows
Question 5
- Apart from cirque glacier, name two other types of glaciers found on the maintains of East Africa
- State three ways in which ice moves
Answer
-
- Valley glacier
- Ice caps -
- Plastic Flowage
- Basal Slip
- Extrusion Flow