About: http://webisa.webdatacommons.org/325773164

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	Coal is mainly carbon, and the carbon resulted from photosynthesis, the conversion of the sun???s energy into organic compounds that took place in the leaves of those ancient plants.
http://www.w3.org/ns/prov#wasQuotedFrom	theamericanscholar.org