WAEC Agricultural Science 1996 Question 7

Question 7

Rocks and Soil Formation

The alternate heating and cooling of rocks will result in

  1. A.molten magma
  2. B.sublimation
  3. C.solidification
  4. D.sedimentation
  5. E.fragmentation.
Show the answer and explanation

Answer: E (fragmentation.)

Explanation

Expansion and contraction crack rocks into fragments.