Assertion: potassium nitrate | /r/CapableOf | occur as crust
Facets:
value: on walls
type: LOCATION
value: on the surface of the earth
type: LOCATION
value: on rocks
type: LOCATION
value: in caves
type: LOCATION
Source sentences:
text: Potassium nitrate occurs as crusts on the surface of the Earth, on walls and rocks, and in caves; and it forms in certain soils in Spain, Italy, Egypt, Iran, and India.
text: Potassium nitrate occurs as crusts on the surface of the Earth, on walls and rocks, and in caves; and it forms in certain soils in Spain, Italy, Egypt, Iran, and India.