What is the Definition of biological oxygen demand (B.O.D)?

What is the Definition of biological oxygen demand (B.O.D)?

mg per litre of dissolved oxygen used by micro-organisms during the feeding process on the organic content of a body of water. It is thus possible to determine the level of organic pollution of the water. A BOD of <3mg/l can be considered to indicate 'clean' water while one in excess of 30mg/l would indicate gross pollution.

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Label: Geography
Theme: Dictionary of Geography Terms

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What is the Definition of biological oxygen demand (B.O.D) in Geographic Terms?

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