The intensity of erosion by a river is determined by the
volume of water only
gradient of the valley only
gradient and width of the valley
volume of water,gradient of the valley and the load carried
Correct answer is D
No explanation has been provided for this answer.
A major hazard to both human and aquatic life in some coastal area of Nigeria is
air pollution
overfishing
desalination of sea water
oil spillage
Correct answer is D
No explanation has been provided for this answer.
Which of the following factors is least necessary for the development of hydro-electric power?
high domestic demand
natural reservoirs and falls
rain-fed rivers
heavy capital outlay
Correct answer is C
No explanation has been provided for this answer.
fishing
lumbering
trading
cattle rearing
Correct answer is D
No explanation has been provided for this answer.
All the following minerals are found in Nigeria except
coal
bauxite
tin ore
columbite
Correct answer is B
No explanation has been provided for this answer.