About: http://webisa.webdatacommons.org/79687178

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	Activated charcoal is produced by a controlled burning or charring of the starting material, such as wood or bone, and contact with an oxidizing gas, pressurized steam, or a strong acid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com