The speed of the flow of water in a river is fa... - WAEC Biology 2008 Question
The speed of the flow of water in a river is faster in the middle than along the banks due to
A
differences to turbidity at different parts of the river
B
the abundance of fishes and other organisms along the bank
C
reduced force of gravity in the middle portion of the river
D
resistance offered by the wall of the banks.
correct option: d
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