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WAEC Agricultural Science 2023 Question 6

Question 6

Farm Power

The diagrams below illustrate different sources of farm power.
Which of the illustrated sources of farm power is the cheapest?

Diagram for this question
  1. A.I
  2. B.II
  3. C.III
  4. D.IV
Show the answer and explanation

Answer: D (IV)

Explanation

IV is the sun; solar energy is free.