Assertion: ammonia | /r/AtLocation | low nontoxic concentrations
Facets:
value: in water
type: LOCATION
value: in soil
type: LOCATION
value: relatively
type: DEGREE
value: in air
type: LOCATION
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.