Q.7 Which kind of pollution is measured by Biochemical Oxygen Demand (BOD)? बायोकेमिकल ऑक्सीजन डिमांड (बीओडी) द्वारा किस प्रकार के प्रदूषण को मापा जाता है?
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BOD is used, often in wastewater-treatment plants, as an index of the degree of organic pollution in water.
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Answer:
the praportion of CO2 is measured by BOD
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