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WAEC Geography 2012 Question 18

Question 18

Weathering, Erosion and Mass Movement

Mechanical weathering due to changes in temperature occurs mainly in

  1. A.coastal areas.
  2. B.desert regions.
  3. C.wet equatorial regions.
  4. D.polar regions.
Show the answer and explanation

Answer: B (desert regions.)

Explanation

Deserts have very hot days and cold nights, so rocks expand and contract and break up.