Assertion: thunderstorm's lightning | /r/CapableOf | serve important role
Facets:
value: in the nitrogen cycle
type: LOCATION
value: by oxidizing diatomic nitrogen
type: MANNER
Source sentences:
text: Lightning also serves an important role in the nitrogen cycle by oxidizing diatomic nitrogen in the air into nitrates which are deposited by rain and can fertilize the growth of plants and other organisms.