Which of the following does not encourage desertification?
Large- scale irrigation schemes
Reduction in mean annual rainfall
Overgrazing and overcultivation
Bush burning
Indiscriminate felling of trees
Correct answer is A
No explanation has been provided for this answer.
The most critical element in an ecosystem is the
growth per day
energy flow within the system
number of species in the system
extent of area covered by the system
location of the system
Correct answer is B
No explanation has been provided for this answer.
Which of the following does not intervene in the natural environment?
Construction works
Pollution
Harmattan
Land reclamation
Farming
Correct answer is C
No explanation has been provided for this answer.
Which of the following environmental hazards has been paired with the wrong factor?
Coastal erosion and wave action
Drought and climate
Floods and human factor only
Deforestation and human factor only
Soil erosion and physical/human factors
Correct answer is C
No explanation has been provided for this answer.
Which of the factors least affects distribution of vegetation?
Man
Rainfaill
Wind
Soil
Temperature
Correct answer is A
No explanation has been provided for this answer.