Examveda

Artesian wells occur when:

A. The water table is above the ground surface

B. A confined aquifer is tapped and water rises due to pressure

C. Groundwater is heated by magma

D. Water is extracted from perched aquifer

Answer: Option B

Solution (By Examveda Team)

An artesian well taps a confined aquifer under pressure, which causes the water to rise above the top of the aquifer and possibly reach the surface without pumping.

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Related Questions on Groundwater and Hydrogeology

What is an aquifer?

A. Rock that does not hold water

B. Layer that restricts water flow

C. Permeable rock that stores and transmits water

D. Layer that absorbs contaminants