nicol61f nicol61f

14-10-2022
Biology

Answered

Question 7(Multiple Choice Worth 2 points)
(02.07 MC)
Which of the following steps is required after biological processes have broken down organic material in wastewater?

A-Water is placed in an aeration basin to increase oxygen.

B-Primary clarifiers separate solids from the wastewater.

C-Filtration removes rocks and pebbles from the water.

D-Disinfection purifies water before it is released.

Answer :

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