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.
At places where groundwater is stored between layers of hard rock below the water table, this is known as an aquifer. Aquifers are natural underground layers of water-bearing rock, sand, or gravel that hold and transmit water, supplying wells and springs. They play a crucial role in providing a reliable source of water for agriculture, industries, and domestic use.