The sparse population in the middle belt of West Africa can be traced to all of the following except
inter-ethnic war
tsetse fly infestation
Arab slave trade in the North
concentration of industries
Correct answer is D
Inter-ethnic war, Arab slave trade and tsetse fly infestation will lead to a decrease in population but concentration of industries would rather increase the population
Soil erosion by action of rain can be caused y all the following except
scanty vegetation
aridity
tropical rainstorms
steep slopes
Correct answer is B
Aridity is a long term lack of rainfall or moisture. Soil erosion cannot take place in an srid area.
Which of the following is not a plantation crop?
cocoa
oil palm
rubber
rye
Correct answer is D
Rye is not a plantation crop. Plantation crops are perennial crops that are grown on a large scale by an individual or a company.
Which of the following landforms is associated with parallel vaulting?
Gorge
Rift valley
Inselberg
Dyke
Correct answer is B
It should be noted that landforms produced by faulting are Rift valley and Block mountain. Rift valley occurs when there are tensional and compression forces operating. Two parallel faults occur and there will be gravitational force leading to the sinking of the land between the faults.
currency
political instability
powerful colonial economic ties
religion
Correct answer is A
Political and economic integration can be hindered by powerful colonial ties, religion and political instability but currency should not be an obstacle because there should be an established exchange rate.