Which of the following BEST accounts for rural-urban migration in West Africa?
limitless job opportunities in urban centres
improved agricultural productivity in rural areas
limited opportunities in rural areas
social unrest in rural areas
Correct answer is C
No explanation has been provided for this answer.
The tundra region is sparsely populated because of?
scarcity of water
harsh environmental conditions
low natural resources base
low level of avaiable technology
Correct answer is B
No explanation has been provided for this answer.
The growth of population at a rate faster than the available resources may result in?
underpopulation
optimum population
overpopulation
aging population
Correct answer is C
No explanation has been provided for this answer.
The inorganic component of an ecosystem is made up of?
water and microbes
plants and animals
minerals and litter
soil and climate
Correct answer is D
No explanation has been provided for this answer.
Which of the following is regarded as an active factor of soil formation?
Time
Climate
Parent material
Relief
Correct answer is A
No explanation has been provided for this answer.