Q: What is the name for an underground layer of rock that is saturated with groundwater?


Read this paragraph and choose the correct option from the provided answers:

An underground layer of rock that is saturated with groundwater is called an aquifer . A diagram of an aquifer is pictured below ( Figure below ). Aquifers are generally found in porous rock, such as sandstone. Water infiltrates the aquifer from the surface. The water that enters the aquifer is called recharge .

 Choices:

- gradient

- aqueous cavity

- artesian well

- aquifer


A:
aquifer