Assertion: photochemical smog | /r/HasProperty | a type of air pollution
Facets:
Source sentences:
text: Photochemical smog, as found for example in Los Angeles, is a type of air pollution derived from vehicular emission from internal combustion engines and industrial fumes.
text: Photochemical smog is a type of air pollution caused by nitrogen oxide, hydrocarbons and sunlight 3.
text: Photochemical smog is a type of air pollution due to the reaction of solar radiation with airborne pollutant mixtures of nitrogen oxides (NOx) and volatile organic compounds (hydrocarbons).