Section C: Answer the question below in brief.
 
Explain how rainwater harvesting helps restore underground water reserves.
 
Rainwater harvesting is a technique of collecting and
for future use. The primary goal of rainwater harvesting is to allow the rainwater to percolate into the ground to replenish or recharge the
.
 are good rain catchers. Rainwater is filtered before entering
 or ground wells. Rainwater harvesting lowers the risk of flooding and soil erosion.
Answer variants:
storing rainwater
Satellite dishes
Rooftops
groundwater level
recharge pits