In the process of nitrification by organisms, the respective bacteria A and B in the following reaction are:
NH4 + 1/2 O2 \(\rm\xrightarrow{A}NO_2^-+2H^++H_2O\)
\(\rm NO_2^-+1/2O_2\xrightarrow{B}NO_3\)
1
Azotobacter, Nitrobacter
2
Nitrobacter, Azotobacter
3
Nitrosomonas, Nitrobacter
4
Nitrobacter, Nitrosomonas
5
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