Which describes how early humans used wind or solar power for the same purpose? to heat their homes in the winter months
to pump water from a river to another location
to grind grain into powder that could be used for other purposes
to provide relief from the heat during the summer

i think its either A or D but if i really had to choose then it would be A

sorry if this is wrong I dont really have alot of experience with this exact study but i have learned it before.

answer; ///i believe that the correct answer is (b); ///the candidate must be a native born american citzen;