Assertion: smog's pollutant | /r/CapableOf | become harmful
Facets:
value: to human health
type: TRANSITIVE-OBJECT
Source sentences:
text: When combined with sunlight, these pollutants and volatile organic compounds (VOCs) become harmful to human health, causing damage to lung tissue and hearts, as well as increased instances and flare-ups of asthma and bronchial infections.