About: http://webisa.webdatacommons.org/201574122

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	A second method is to use material that is rich in oxygen, such as manganese dioxide, which supplies free oxygen to combine with the hydrogen and form water. 2-6
http://www.w3.org/ns/prov#wasQuotedFrom	rfcafe.com