Answers The diagram above represent displacement D, versus time, t graph of a progressive wave. Deduce… The diagram above represent displacement D, versus time, t graph of a progressive wave. Deduce the frequency of the wave A. 20 Hz B. 10 Hz C. 5 Hz D. 4 Hz Correct Answer: Option B Explanation
Answers Explain briefly four factors of soil formation. (b) List four chemical processes in the… (a) Explain briefly four factors of soil formation. (b) List four chemical processes in the weathering of rocks.… Read More
Answers The following are abiotic components of an ecosystem except The following are abiotic components of an ecosystem except A. temperature B. oxygen C. bacteria D. soil Correct… Read More
Answers The type of labour available to peasant farmers is The type of labour available to peasant farmers is A. family labour B. paid labour C. skilled labour… Read More
Answers water is a poor thermometric liquid because it water is a poor thermometric liquid because it A. is opaque B. is a poor conductor C. wets… Read More
Answers Chlorine gas turns damp starch-iodide paper Chlorine gas turns damp starch-iodide paper A. pink B. colourless C. red D. dark blue Correct Answer: Option… Read More