About: http://webisa.webdatacommons.org/251240307

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	Plants and other organisms took an entire deoxygenerated atmsophere and put oxygen into it making it suitable for the life we know today (which by the way is not a cycle).
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com