<http://webisa.webdatacommons.org/217747009>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/211354547>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/217747009> .
<http://webisa.webdatacommons.org/217747009>	<http://www.w3.org/ns/prov#value>	"It is found in water, soil, and air, and is a source of much needed nitrogen for plants and animals." .
<http://webisa.webdatacommons.org/prov/161067678>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/217747009> .
<http://webisa.webdatacommons.org/217747009>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cdc.gov> .