About: http://webisa.webdatacommons.org/68565929

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	Explain that gravity is a force that pull things towards the center of the Earth
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com