<http://webisa.webdatacommons.org/60826620>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bu.edu> .
<http://webisa.webdatacommons.org/60826620>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/60826620>	<http://www.w3.org/ns/prov#value>	"chemical reactions in the atmosphere which convert gases, such as sulphur dioxide, into particles." .
<http://webisa.webdatacommons.org/prov/511349373>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/60826620> .