About: http://webisa.webdatacommons.org/412839192

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	Because CO2 levels were so low during the ice ages, C4 grasses could out-compete all other types of vegetation and the non-glaciated parts of North America and Asia and Europe were a grass-herbivore paradise.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com