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WAEC Agricultural Science 2013 Question 20

Question 20

Farm Surveying and Planning

Which of the following features would lead to wrong reading on a prismatic compass?

  1. A.A big tree.
  2. B.Wind direction.
  3. C.Pond.
  4. D.Magnetic attraction.
Show the answer and explanation

Answer: D (Magnetic attraction.)

Explanation

Iron objects or magnetic fields pull the compass needle off north.