Assertion: carbon black's carbon | /r/CapableOf | continue to be large component
Facets:
value: in urban aerosols
type: LOCATION
value: across europe
type: LOCATION
value: across the united states
type: LOCATION
Source sentences:
text: In the 1970s, however, a series of studies substantially changed this picture and demonstrated that black carbon as well as the organic soot components continued to be a large component in urban aerosols across the United States and Europe which led to improved controls of these emissions.