Assertion: pollution's source | /r/HasProperty | sulfur dioxide
Facets:
Source sentences:
text: Sources of air pollution include gases (such as ammonia, carbon monoxide, sulfur dioxide, nitrous oxides, methane and chlorofluorocarbons), particulates (both organic and inorganic), and biological molecules.
text: The most common sources of air pollution include particulates, ozone, nitrogen dioxide, and sulfur dioxide.