Assertion: nitrogen's form | /r/HasProperty | converted to dinitrogen
Facets:
value: through denitrification
type: MANNER
Source sentences:
text: Through denitrification, oxidized forms of nitrogen such as nitrate (NO 3 -) and nitrite (NO 2 -) are converted to dinitrogen (N 2 ) and, to a lesser extent, nitrous oxide gas (NO 2 ).