Question 18
Farm PowerConsidering all costs, the cheapest source of energy for domestic use is
- A.electricity
- B.sunlight
- C.biogas
- D.water.
Show the answer and explanation
Answer: B (sunlight)
Explanation
Sunlight is free.
Considering all costs, the cheapest source of energy for domestic use is
Answer: B (sunlight)
Sunlight is free.