EditorialExam Study Guide - February 2020

Exam Study Guide - February 2020

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Licensing Exam Study Guide Bacteria/Enzymes Water Environment Federation Education/Training

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WASTEWATER - By Rick Lallish

Where do the bacteria obtain the necessary oxygen to survive in an anoxic zone?

A. Remaining dissolved oxygen

B. Nitrite and nitrate

C. Carbonaceous oxygen

D. The bacteria in an anoxic zone do not require oxygen

Answer: B. Anoxic...

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