The reduced inorganic nitrogen compounds ammonia (NH3) and nitrite (NO2−) are oxidized _______ by the chemolithotrophic nitrifying bacteria in the process of nitrification. 
A、aerobically or anaerobically
B、aerobically and then anaerobically
C、aerobically
D、anaerobically
\n The reduced inorganic nitrogen compounds ammonia (NH3 - 14 Metabolic diversity - 微生物学(双语)MOOC-2022春 - 好大学在线 | 大学网课搜题引擎