Question 5004 of 234 · California Wastewater Operator Exam
A facultative pond has an aerobic upper layer and
Exactly one answer is correct.
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Correct answer to question 5004
- D: an anaerobic lower layer where solids are digested normally
Explanation
Facultative ponds combine zones. Settled solids decompose anaerobically at the bottom and dissolved organics are oxidized in the upper aerobic zone.
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