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WAEC Geography 1991 (August) Question 26

Question 26

Weather

The environmental lapse rate is best described as

  1. A.a decrease in air temperature by 0.65°C per 1000m of ascent in the atmosphere
  2. B.the rate of temperature changes within the stratosphere
  3. C.a fall in air temperature by 6.5°C per 100m of ascent in the stratosphere
  4. D.a decrease of air temperature by 6.5°C per 1000m of ascent in the troposphere
  5. E.a fall in air temperature by 0.6°C per 100m of ascent in the atmosphere.
Show the answer and explanation

Answer: D (a decrease of air temperature by 6.5°C per 1000m of ascent in the troposphere)

Explanation

Temperature falls about 6.5°C for every 1,000 m you rise in the troposphere.