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प्रश्न
The polluting strength of sewage is usually characterized by its ______.
विकल्प
BOD
Nitrogen content
Ozone content
Eutrophication
MCQ
रिक्त स्थान भरें
उत्तर
The polluting strength of sewage is usually characterized by its BOD.
Explanation:
The biodiversity oxygen demand is usually the polluting strength of sewage (BOD).
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