contestada

Which of the following statements about water policy is true?
a. Blackwater is cheaper and easier to process than greywater.
b. Desalination has no known negative impacts on the environment.
C. The water reclamation process is used to remove solids and impurities, but does not return
water to a potable state.
d. Water conservation efforts have been wholly ineffective.
e. The Safe Drinking Water Act limits the amount of pollution introduced into waterways.