The change in length for an object that is one meter long subject to a 10 degree change in temperature will be on the order of:. a. fractions of a millimeter.
b. whole millimeters.
c. whole meters.
d. whole centimeters.

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?