What is one physical benefit that can be obtained from participating in field events? A) strengthen balance
B) better sleep pattern
C) increase capacity for learning
D) all of the above

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?