Subsistence farming, form of farming in which nearly all of the crops or livestock raised are used to maintain the farmer and the farmer's family, leaving little, if any, surplus for sale or trade. Preindustrial agricultural peoples throughout the world have traditionally practiced subsistence farming<span>.</span>
The correct Answer is A. Crude oil and coal together account for more than half of the world’s energy.
The answer is B for that question
Explanation:
you pay for the return of your goods