Biology, asked by ShivT636, 1 year ago

Activated sludge undergoes
A.Primary treatment
B. Secondary treatment
C. Tertiary treatment
D. any of these

Answers

Answered by Anonymous
0
I think option A is right...
Answered by Anonymous
0
Activated sludge undergoes
A.Primary treatment
B. Secondary treatment
C. Tertiary treatment
D. any of these

A.Primary treatment

Ailment or first aid refer to primary treatment which undergoes under activated sludge
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