Which of the following options represent the correct composition of the activated sludge?

50% water and 50% microbes, organic fibres and inorganic particles.

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97% water and 3% microbes, organic fibres and inorganic particles.

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97% water and 3% inorganic particles.

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80% water and 20% microbes, organic fibres and inorganic particles.

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Solution

The correct option is B 97% water and 3% microbes, organic fibres and inorganic particles.

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