Social Sciences, asked by savita9824, 2 months ago

Expand These
1. FBI
2. BRICS
3. VAT
4. NASA
5. IOC
6. NATO​

Answers

Answered by xxPRACHIxx
3

Explanation:

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.

Industrial wastewater treatment plants produce solids that are also referred to as sludge.

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