The speed of the flow of water in a river is faster in the middle...

BIOLOGY
WAEC 2008

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 Answer: D. resistance offered by the wall of the banks



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