WAEC Agricultural Science 2010 Question 11

Question 11

Rocks and Soil Formation

Which of the following factors is both a physical and a chemical agent of rock weathering?

  1. A.Temperature
  2. B.Animal
  3. C.Water
  4. D.Oxygen
Show the answer and explanation

Answer: C (Water)

Explanation

Water breaks rocks physically (running water, freezing) and chemically (hydrolysis, solution, hydration).