Assertion: smog | /r/HasProperty | visible
Facets:
value: as a brown haze
type: MANNER
value: easily
type: MANNER
Source sentences:
text: As much as smog is easily visible when it’s present in the atmosphere, the use of appropriate smog detectors and monitoring systems can act as early warning systems.
text: Smog is a combination of airborne particulate matter, like soot, and invisible toxic gases including ozone (O3), carbon monoxide (CO), sulfur dioxide (SO2), and carcinogens.
text: Smog is a visible form of air pollution that often appears as a thick haze.
text: This smog is visible as a brown haze.