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QUESTION 3 (8 marks) 3.1 For a given wastewater sample, it has been found that the...

QUESTION 3
3.1 For a given wastewater sample, it has been found that the ratio BOD-5 to the ultimate BOD is 1 to 2. Briefly comment.
3.2 Aerobic reactions do not use oxygen at all during their processes. Briefly comment.

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