MCQOPTIONS
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MCQOPTIONS
| 1. |
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» B. Biochemical Oxygen Demand in 5 hours | |