what is biological oxygen demand and significance
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IT is the BOD level.It is the presence of organic matter in the water. If the water has high BOD level means there are more organic material present in it... thus reducing oxygen to organisms in water like fish because the organic matter uses oxygen to decompose......
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Biological Oxygen Demand
Biological Oxygen DemandBiological Oxygen Demand (BOD) and Water.Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature.
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