Nitrogen cycle of sewage, is

Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen

Answer

Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates

Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia

Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates

Answer: Option A

Answer: Option A

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