Assertion: ammonia | /r/CapableOf | provide a source of nitrogen
Facets:
value: for plants
type: TRANSITIVE-OBJECT
Source sentences:
text: It is found in relatively low nontoxic concentrations in soil, air, and water and provides a source of nitrogen for plants.
text: It is found in relatively low nontoxic concentrations in soil, air, and water and provides a source of nitrogen for plants.