About: http://webisa.webdatacommons.org/122446355

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	Calcium is an essential constituent of leaves, bones, teeth, and shells.
http://www.w3.org/ns/prov#wasQuotedFrom	webelements.com