About: http://webisa.webdatacommons.org/441029534

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	The Martian atmosphere consists principally of carbon dioxide, and there is small but significant greenhouse effect on Mars.
http://www.w3.org/ns/prov#wasQuotedFrom	bu.edu