WAEC Agricultural Science 2009 Question 10

Question 10

Rocks and Soil Formation

Chemical weathering is fastest in

  1. A.cool weather
  2. B.hot weather
  3. C.high altitudes
  4. D.low altitudes
Show the answer and explanation

Answer: B (hot weather)

Explanation

Heat speeds up chemical reactions, so rocks weather chemically fastest in hot, humid weather.