which statement is true about groundwater as a drinking water supply? it comes from deep, protected underground aquifers. it is protected from new contaminants. contaminants break down very quickly underground. fast movement and aeration keep it clean. it flows from lakes, rivers, and reservoirs.

It comes from deep, protected underground aquifers.

Explanation:

The groundwater is a water present beneath the surface deep within the soil pores and fractured rocks. An unconsolidated deposit named as aquifer contains unstable but drinking water, as this water is recharged from the surface. It's often regarded as cheap, convenient and pollution-free as most of the industrial and agricultural wastewaters does not reach such great depths. Thus making up 20% of the freshwater in the world. And hence regarded as a long term natural water cycle. The groundwater moves around  16 miles per day thus are filtered.

The answer is c) people evacuated but almost all returned