WAEC Geography 2003 Question 27

Question 27

Environmental Hazards and Conservation

Sheet erosion tends to be more serious than other forms of erosion because it

  1. A.involves more widespread removal of soil from the land surface
  2. B.is not controllable
  3. C.forms irregular patterned gullies
  4. D.forms deep trenches which cut through topsoil and subsoil.
Show the answer and explanation

Answer: A (involves more widespread removal of soil from the land surface)

Explanation

Sheet erosion quietly removes a thin layer of fertile topsoil over a wide area before it is noticed.