

MCQOPTIONS
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1. |
What does high COD to BOD ratio of an organic pollutant represent ? |
A. | High biodegradability of the pollutant |
B. | Low biodegradability of the pollutant |
C. | Presence of free oxygen for aerobic decomposition |
D. | Presence of toxic material in the pollutants |
Answer» B. Low biodegradability of the pollutant | |