Study the graph given below and answer the questions that follow:What – InterviewSolution

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1.	Study the graph given below and answer the questions that follow:What is the relationship between dissolved oxygen and biochemical oxygen demand (BOD)?
Answer» As BOD refers to the amount of oxygen consumed if all the organic matter in one liter of water were oxidised by bacteria. Thus, greater the BOD, lesser will be the dissolved oxygen in sewage discharge.

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