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      Question

      Which term describes the amount of oxygen

      consumed by microorganisms during the breakdown of organic materials in water?
      A Chemical Oxygen Requirement (COR) Correct Answer Incorrect Answer
      B Oxygen Utilization Rate (OUR) Correct Answer Incorrect Answer
      C Biochemical Oxygen Demand (BOD) Correct Answer Incorrect Answer
      D Oxygen Absorption Capacity (OAC) Correct Answer Incorrect Answer

      Solution

      BOD refers to the oxygen demand exerted by microorganisms while metabolizing organic material in water, indicating the presence of biodegradable organics and indirectly measuring water pollution.

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