MCQ
Primary treatment is the
- ✓physical removal of large and smallparticles from sewage
- Bbiological removal of large and smallparticles from sewage
- CBoth $(A) $ and $ (B)$
- Dchemical removal of large and smallparticles from sewage
✓
Answer
Correct option: A.
physical removal of large and smallparticles from sewage
a
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