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WAEC Biology 2016 Question 31

Question 31

Ecosystem and Ecological Factors

The direction of wind is determined by

  1. A.an anemometer.
  2. B.a Secchi disc.
  3. C.a wind vane.
  4. D.a barometer.
Show the answer and explanation

Answer: C (a wind vane.)

Explanation

A wind vane points the way the wind is blowing. An anemometer measures wind speed, and a barometer measures air pressure.