Question: I solved this question with this answer and got 8 degrees out of 10. I want the complete solution please Two samples of oxygen consumption

I solved this question with this answer and got 8 degrees

I solved this question with this answer and got 8 degrees out of 10. I want the complete solution please

Two samples of oxygen consumption of untreated and treated sewage that follows the pattern shown in the figure below. Explain the curves for both carbonaceous (CBOD) and nitrogenous (NBOD) BOD that are presented in the figure. Q.4 - In the first 5 days about 60-70\% of biodegradable organic material has been oxidized. By day 20,95,99y of the biodegradable organic oxidized. - In treated sewage (NBO1)) is felt and measured from day 2-s While untreated sewage (NBOD) begins from day 7 . - As observed frome the figure(NBOl)) takes mor time to complet oxidation in both treated and untreated sewage due to Slaw grawing nitrifying bacteria. - Treated sewage has less (NBOA) and (CBOD) comperd to untreated Sewage. NH4+2O2NO2+21O2NO2+2H++H2ONO3

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