Assertion: acid rain | /r/MadeOf | acidic
Facets:
value: by certain pollutants in the air
type: OTHER
Source sentences:
text: Acid rain is rain that has been made acidic by certain pollutants in the air.
text: Acid rain is rain that has been made acidic by certain pollutants in the air.
text: Acid rain is rain that has been made acidic by certain pollutants in the air.