About: http://webisa.webdatacommons.org/120746298

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	Energy from decaying elements provided planet-wide central heating. ???Since the earth???s crust was riddled with radium and other radioactive substances, all bets were off on the earth???s age and its future prospects??? (pp. 80???81).
http://www.w3.org/ns/prov#wasQuotedFrom	chemheritage.org