Which of the Following Statements Concerning the Biochemical Oxygen Demand

question 45

Multiple Choice

Which of the following statements concerning the biochemical oxygen demand (BOD) is correct?

• A) It is a measure of the amount of oxygen in water.
• B) It is a measurement of the amount of oxygen that aerobic bacteria require to fully metabolize organic wastes in water.
• C) It is used as a bioreceptor index.
• D) It is a filter system to purify drinking water.
• E) It is proportional to how potable water is.

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