About: http://webisa.webdatacommons.org/259149677

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Second smoke contains over 4,000 chemicals and 43 carcinogens including formaldehyde, cyanide, arsenic, carbon monoxide, methane, benzene, and radioactive polonium-210.
http://www.w3.org/ns/prov#wasQuotedFrom	tobaccofreekids.org