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WAEC Geography 2001 Question 25

Question 25

Weather

Given that the temperature of Station X (at sea-level) is 80°F (26.7°C) at a particular time, what would be the temperature of Y [1300 ft (400 m) above sea level] at the same time? (Both stations are on the same latitude).

  1. A.68°F (20°C)
  2. B.70°F (21°C)
  3. C.76°F (24.4°C)
  4. D.80°F (26.7°C)
Show the answer and explanation

Answer: C (76°F (24.4°C))

Explanation

Temperature falls about 6°C per 1000 m (about 0.6°C per 100 m): 400 m gives a fall of about 2.4°C, so 26.7 − 2.4 ≈ 24.3°C (76°F).