Which sentence from the selection best states the controlling idea (main idea) of the selection? A)
The use of any natural resource needs to have some regulations in place.
B)
Wells can be dug to pump groundwater in order to make water sustainable,
if properly maintained and managed.
C)
This is because they may receive only four to six inches of rain a year, and
no regulations are in place for the digging of wells.
D)
Everyone has to agree to work together.