About: http://webisa.webdatacommons.org/453258649

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	These methods of calculating age are used in geology, anthropology, archeology, and other fields.Radioactive dating is based on the fact that a radioactive isotope (form)
http://www.w3.org/ns/prov#wasQuotedFrom	howstuffworks.com