What do BOD and COD stand for?

What do BOD and COD stand for?

Q. What do BOD and COD stand for?

  1. Biological Oxygen Demand and Chemical Oxygen Demand respectively
  2. Chemical Oxygen Demand and Biological Oxygen Demand respectively
  3. Botanical Oxygen Demand and Chemical Oxygen Demand respectively
  4. Basic Oxygen Demand and Chemical Oxygen Demand respectively

Answer: Biological Oxygen Demand and Chemical Oxygen Demand respectively

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