At places the groundwater is stored between layers of hard rock below the water table. This is known as an ______.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. Aquifer
- An Acquifer is a body of rock or sediment that holds groundwater.
- There are two types of Aquifers: Confined and Unconfined.
- Unconfined acquifers lie below a permeable layer of soil.
- Confined type of acquifers have a layer of impenetrable rock or clay above them.