Nitrification and Anammox Both

Multiple Choice

Nitrification and anammox both

A) create nitrogen gas, but nitrification is aerobic while anammox is anaerobic.
B) oxidize ammonia, but nitrification uses O₂ ₐs ₐn ₑlₑctᵣₒn ₐccₑptₒᵣ and anammox uses NO₂-.
C) are aerobic processes, but nitrification produces NO₃- and annamox produces N₂ gas.
D) occur in soils at neutral pH.