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WAEC Geography 2008 Question 21

Question 21

Weather

A relative humidity of 100 per cent means that air is

  1. A.unsaturated
  2. B.saturated
  3. C.dry
  4. D.moist.
Show the answer and explanation

Answer: B (saturated)

Explanation

At 100% relative humidity the air holds all the water vapour it can: it is saturated.