How is recycled water used indirectly for drinking?
a. recycled water undergoes further purification and is then considered drinkable.
b. recycled water is used to recharge an aquifer that is used for drinking.
c. recycled water is used for agriculture.
d. none of the above.

Recycled water is used  indirectly for drinking the following way: recycled water is used to recharge an aquifer that is used for drinking. Correct B

Aquifer recharge (AR) is process used for replenishing ground water stored in aquifers for beneficial purposes.  Injecting water into AR wells can prevent salt water intrusion into freshwater aquifers and control land subsidence

answerformal;