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What effects does the increasing organic...

What effects does the increasing organic waste have on the dissolved oxygen content and biochemical oxygen demand of water?

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Biochemical oxygen demand measures:

Biochemical oxygen demand represents :

Biochemicals oxygen demands in a river water

Study the graph given below and choose the option that is correctly describing the relationship between dissolved oxygen (DO) and biochemical oxygen demand (BOD) :

What are the sources of dissolved oxygen in water ?

What do you mean by Biochemical Oxygen Demand (BOD)?

The greater BOD ( biochemical oxygen demand) of waste water indicates.

Clean water should have biochemical oxygen demand (BOD) up to: