Give to examples each of organic impurities, inorganic impurities,nutrients, bacteria and microbes present in sewage.
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Give to examples each of organic impurities, inorganic impurities,nutrients, bacteria and microbes present in sewage.
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Organic impurities like urea and human faeces
Inorganic impurities like metals and nitrates
Nutrients like nitrogen and phosphorus
Bacteria like cholera and typhoid
Microbes like protozoa