English, asked by kailaspatil7303, 3 months ago

55. Enlist
treatment
the steps involved in sewage plant.​

Answers

Answered by ItzSugaryHeaven3
2

Answer:

There are three basic biological treatment methods: the trickling filter, the activated sludge process, and the oxidation pond. A fourth, less common method is the rotating biological contacter.

hope this will helps u....be happy....

@ITZSUGARYHEAVEN3

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