Respuesta :
Answer:
D. The part of aquifer that's located at lower elevation.
Explanation:
Recharge area is the area where water is flown predominantly in downward direction through the unsaturated zone in order to replenish an aquifer.
To be more specific, it is an aquifer that's location is at a lower elevation zone. Recharge area is an important area so it needs a special protection and proper care. It is a widely used concept in the groundwater using techniques.