If Chemical Oxygen Demand ( COD ) of water is _____, it is harmful to aquatic organisms.
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Answer:
IMPORTANCE OF COD FOR WASTEWATER
Higher COD levels mean a greater amount of oxidizable organic material in the sample, which will reduce dissolved oxygen (DO) levels. A reduction in DO can lead to anaerobic conditions, which is deleterious to higher aquatic life forms.
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Answer:
polluted.
Explanation:
it effect the aquatic organism
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