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what-does-bod5-refer-to
Q.
What does BOD5 refer to?
[A] Biochemical Oxygen Demand in 5 days
[B] Biochemical Oxygen Demand in 5 hours
[C] Biochemical Oxygen Demand in 5 minutes
[D]Biochemical Oxygen Demand in 5 Months
Answer & Explanation
Answer: Option [A]
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