Question 1003 of 223 · California Water Treatment Operator Exam
An aquifer that is bounded above and below by layers of low permeability and is under pressure is called
Exactly one answer is correct.
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Correct answer to question 1003
- A: a confined aquifer
Explanation
A confined (artesian) aquifer lies between impermeable layers, so water can rise above the top of the aquifer in a well. An unconfined aquifer has a free water table open to the atmosphere.
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