Explain terms BOD and COD with respect to environmental chemistry.
BOD - Biological oxygen demand
COD - Chemical Oxygen Demand
CLASS 11 CHAPTER - "THE s - BLOCK ELEMENTS"
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Answer:
ヽ( ´¬`)ノヽ( ´¬`)ノヽ( ´¬`)ノ
Explanation:
＼（〇_ｏ）／＼（〇_ｏ）／
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Biochemical oxygen demand is the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period
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