Assertion: smog's pollutant | /r/CapableOf | become trapped
Facets:
value: under the inversion
type: LOCATION
Source sentences:
text: The air instead becomes still and, over time, the lack of mixing causes pollutants to become trapped under the inversion, developing significant amounts of smog.
text: Since the inversion was present over the city, these pollutants became trapped and increased London’s air pollution.