Microbiology: Principles and Explorations 9th Edition

Published by Wiley
ISBN 10: 1-11874-316-4
ISBN 13: 978-1-11874-316-4

Chapter 25 - Environmental Microbiology - Self Quiz - Page 832: 16

Answer

(b) Secondary

Work Step by Step

Biological treatment of sewage by microorganisms (mainly decomposers) would most likely occur at the secondary stage of wastewater treatment. In this stage, aerobic bacteria removes the organic matter in wastewater.
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