About: http://webisa.webdatacommons.org/91448137

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	Including such species as brain coral and elkhorn coral, hard coral skeletons are made out of calcium carbonate (also known as limestone), a hard substance that eventually becomes rock.
http://www.w3.org/ns/prov#wasQuotedFrom	ohio.edu