About: http://webisa.webdatacommons.org/140998475

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	Air is 20% oxygen, i.e. 200,000 ppm compared with the 7 ppm in water, and the abundant oxygen in the air rapidly replenishes the oxygen on the surface of the water, such as on the
http://www.w3.org/ns/prov#wasQuotedFrom	aquariumfish.net