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What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a river.
Text solutionVerified
Sewage is a household waste and occasionally some liquid waste from industry and commerce that is disposed off via sewers. It contains organic and inorganic impurities and pathogenic and nonpathogenic microbes. Upon contamination of fresh water with sewage, the aerobic pathogenic bacteria add nitrites, sulfates, nitrates while anaerobic one add methane, , phosphine causing the offiensive smell to water bodies. These pathogenic microbes cause many water borne diseases.
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Question Text | What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a river. |
Updated On | May 15, 2023 |
Topic | Environmental Issues |
Subject | Biology |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 2 |
Upvotes | 279 |
Avg. Video Duration | 7 min |