Question 21
Farm PowerWhich of the following is the correct trend in the historical development of power on the farm?
- A.Animal power → man power → mechanical power
- B.Man power → animal power → mechanical power
- C.Man power → mechanical power → animal power
- D.Animal power → mechanical power → man power.
Show the answer and explanation
Answer: B (Man power → animal power → mechanical power)
Explanation
Farmers first used their own strength, then animals, then machines.