Question

01.
Secondary treatment uses
to
conse wastes
A micro-organisms
B. chemicals
C. filtration
D none of these​

Answer 1

Answer:

ho dear good morning have a great day

and dear you answer is microorganisms according to me hope it helps you plz make me brainlist and like and plz follow me for instantly answers

Answer 2

Answer:

A.micro-organisms

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