Answers The exploitation of timber in equatorial Africa causes The exploitation of timber in equatorial Africa causes A. environmental pollution B. less rainfall run-off C. soil erosion D. high cost of foreign products Correct Answer: Option C Explanation
Answers Secondary growth is brought about by the activities of the Secondary growth is brought about by the activities of the A. phellogen and phelloderm B. phellogen and procambium.… Read More
Answers Write short notes on each of the following: (a) tractors; (b) incubators; (c) sprayers, (d)… Write short notes on each of the following: (a) tractors; (b) incubators; (c) sprayers, (d) shelters Explanation Short… Read More
Answers A mixture of ethanol, sodium dichromate, and water is allowed to drop gradually into a… A mixture of ethanol, sodium dichromate, and water is allowed to drop gradually into a boiling solution containing… Read More
Answers Which of the following is not a feature of river erosion? Which of the following is not a feature of river erosion? A. Waterfall B. Gorges C. V-shaped valleys… Read More
Answers Which of the following combinations can be regarded as sub-systems within the ecosystem? Which of the following combinations can be regarded as sub-systems within the ecosystem? A. food chain, hydrological cycle,… Read More