Aquifers are _______. a. located below the water table b. important sources of freshwater c. located in the saturated zone d. all of the above
The answer is d. all of the above. Aquifers are underground layers of rocks which contain water and serve as important sources of freshwater. They are located below the water table and in the saturated zone. Still, aquifers are not rivers, the flow of underground water cannot pass from one aquifer to another.