Assertion: smog's pollutant | /r/CapableOf | react in the presence of sunlight
Facets:
value: chemically
type: MANNER
value: together
type: MANNER
Source sentences:
text: Photochemical (summer smog) forms when pollutants such as nitrogen oxides and organic compounds react together in the presence of sunlight.
text: This happens when pollutants emitted by cars, power plants, industrial boilers, refineries, chemical plants, and other sources chemically react in the presence of sunlight.