Sewage contains which of the following wastes/impurities?

Dissolved waste

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Microbes

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Non- biodegradable wastes

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Suspended impurities

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Solution

The correct options are
A Dissolved waste
B Microbes
C Non- biodegradable wastes
D Suspended impurities
Sewage contains dissolved wastes such as fertilisers and suspended impurities such as human excreta. It also contains non-biodegradable wastes such as plastics, glass and biodegradable impurities such as food waste along with microbes.

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