This is an underground source of fresh water

(A) Aquifer

(B) Water table

(C) Deposition

(D) Well

The answer is A

Aquifer is an underground source of water. It is an underground of water bearing permeable rock, it must be both permeable and porous and include rocks such as sandstone, conglomerate, fracture limestone and unconsolidated sand and gravel. The water can be extracted fro aquifer using a water well.