The diagrams below illustrate different sources of farm power. Study them and answer the question….

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Agricultural Science WAEC 2023

The diagrams below illustrate different sources of farm power. Study them and answer the question.
Which of the illustrated sources of farm power is the cheapest

  • II
  • III
  • IV
  • I checkmark

The correct answer is: D

Explanation

I is the cheapest because it uses crude tool

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