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WAEC Geography 2004 Question 31

Question 31

Weather

When there is a large difference in the reading of the dry and wet bulb thermometers, it shows that relative humidity is

  1. A.low.
  2. B.moderate.
  3. C.100%.
  4. D.0%.
Show the answer and explanation

Answer: A (low.)

Explanation

Dry air makes water evaporate quickly from the wet bulb, cooling it a lot, so a big difference means low humidity.