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pooja195
 one year ago
what is this subject?
pooja195
 one year ago
what is this subject?

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Khalid3166
 one year ago
Best ResponseYou've already chosen the best response.0i really don't know

Khalid3166
 one year ago
Best ResponseYou've already chosen the best response.0what is activated sludge

Khalid3166
 one year ago
Best ResponseYou've already chosen the best response.0Activated sludge refers to a mass of microorganisms cultivated in the treatment process to break down organic matter into carbon dioxide, water, and other inorganic compounds.

Khalid3166
 one year ago
Best ResponseYou've already chosen the best response.0if you type Activated sludge

rvc
 one year ago
Best ResponseYou've already chosen the best response.1its a type of water treatment process..
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