About: http://webisa.webdatacommons.org/4144593

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	Mars does have carbonates on its surface that could be slowly decomposed by some process or other to release CO2.
http://www.w3.org/ns/prov#wasQuotedFrom	etcjournal.com