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<http://webisa.webdatacommons.org/prov/509575565>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/135969688> .
<http://webisa.webdatacommons.org/135969688>	<http://www.w3.org/ns/prov#value>	"Methane is a trace gas that absorbs heat about 200 times more efficiently than carbon dioxide and has a relatively short lifetime of 12 years." .
<http://webisa.webdatacommons.org/135969688>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .