WAEC Geography 2007 Question 26

Question 26

Coastal Landforms

The swash of a wave is more powerful than the backwash because it

  1. A.carries more sand
  2. B.has the force of the breaking wave behind it
  3. C.brings more water
  4. D.has a long length.
Show the answer and explanation

Answer: B (has the force of the breaking wave behind it)

Explanation

The swash is driven up the beach by the energy of the breaking wave, while the backwash only drains back by gravity.