About: http://webisa.webdatacommons.org/90405449

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	Green vegetables such as spinach provide magnesium because of the abundance of chlorophyll molecules, which contain the ion.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org