give two examples each of organic impurities, inorganic impurities, nutrients, bacteria and microbes present in sewage
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Human faeces, animal wastes, oil, urea, pesticides, herbicides, fruits and vegetables are the organic impurities in water.
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Answer: Organic impurities - Human faeces, animal waste.
Inorganic impurities - Nitrates , metals
Nutrients - phosphorus and nitrogen
Bacteria - such as which cause cholera and typhoid
Microbes - Such as which cause dysentery
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