About: http://webisa.webdatacommons.org/58649322

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	Today, the Earth???s atmosphere is 20 per cent oxygen thanks to photosynthetic bacteria that, like trees and other plants, consume carbon dioxide and release oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom	ubc.ca