Which colors of light would combine to produce white a) red, blue, and green. b) red, yellow, and blue. ,,c) magenta, yellow, and green ) magenta, cyan, and blue, e)magenta, yellow, and

Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?