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Unilorin Post-UTME Geography 2024 (Model questions) Question 2

Question 2

Weather

The temperature of a place drops at a rate of 6.5°C per 1000m due to

  1. A.atmospheric pressure gradient
  2. B.evapotranspiration
  3. C.convectional cooling
  4. D.adiabatic lapse rate
Show the answer and explanation

Answer: D (adiabatic lapse rate)

Explanation

Temperature falls with height because rising air expands and cools under lower pressure. Strictly, 6.5°C per 1000 m is the normal (environmental) lapse rate, but of these options the lapse rate is the answer.