Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 22, Problem 4RQ
Summary Introduction
To review:
1. The hydrologic cycle.
2. The role of biochemical oxygen demand (BOD) in water quality and its perturbation by human pollution.
Introduction:
The hydrologic cycle refers to the cycling of water from its liquid form to the gaseous water vapor through groundwater, land, aquatic system, and the air. The water bodies are frequently contaminated by sewage disposal. The presence of organic waste in the water leads to an increase in the number of phototrophs in the water body.
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Microbiology: An Evolving Science (Fourth Edition)
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