Assertion: ozone | /r/HasProperty | pollutant
Facets:
value: on the ground-level
type: LOCATION
Source sentences:
text: Fact #3: Close to the surface of the Earth, ozone is a pollutant and a greenhouse gas.
text: However, on the ground-level, ozone is a pollutant that has a plethora of other negative health effects, even in relatively low amounts.
text: Ozone is just a pollutant, not a disinfectant.