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Q. |
Biological Oxygen Demand (BOD) is a measure of: |
A. | Industrial wastes poured into water bodies |
B. | Extent to which water is polluted with organic compounds |
C. | Amount of carbon monoxide inseparably combined with haemoglobin |
D. | Amount of oxygen needed by green plants during night |
Answer» A. Industrial wastes poured into water bodies |
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