Question

Define contaminants. What are the various contamination
present in sewage ? Explain.​

Answer 1

Answer:

sewage is a complex mixture of many suspended soilds, organic and inorganic impurities disease causing bacteria and other microbes . ORGANIC MATTER : Fruits , vegetables , human faeces etc. INORGANIC MATTER : nitrates , phosphates. BACTERIA : such as which cause cholera n typhoid. MICROBES: such as which cause dysentry

Explanation:

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