Considering all costs, the cheapest source of energy for domestic use is? by Sunday | Jun 6 | Agricultural Science WAEC | 0 comments A. electricity B. sunlight C. biogas D. water Correct Answer: Option B B. sunlight Users Also Read These:Which of the following are the cheapest methods of…The national income of a country indicates that the…A lamp marked 100W, 250V is lit for 10 hours. If it…A household refrigerator consumes electrical energy…The cheapest mode of transportating imported cars…