Question

what is a sludge?????????????????????????????????????????????????????????????​

Answer 1

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$\huge\mathfrak{\blue{Answer→}}$Sludge is a semi-solid slurry that can be produced from a range of industrial processes, from water treatment, wastewater treatment or on-site sanitation systems.

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Answer 2

Sludge is a thick unpleasant substance or mud.

hope this will help you

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