Assertion: ammonia | /r/HasProperty | oxidized by certain bacteria
Facets:
value: in natural water systems
type: LOCATION
value: to nitrite
type: TRANSITIVE-OBJECT
value: rapidly
type: MANNER
value: to nitrate
type: PURPOSE
Source sentences:
text: Ammonia is rapidly oxidized by certain bacteria, in natural water systems, to nitrite and nitrate--a process that requires the presence of dissolved oxygen.