PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Air: Pollution refers to the toxic gases and chemicals, such as methane and carbon monoxide, that are released into the atmosphere only to be mixed into the air we breathe in and exhale out.
http://www.w3.org/ns/prov#wasQuotedFrom
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