About: http://webisa.webdatacommons.org/72711149

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	Chemistry is a difficult subject to learn and teach for students in general.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov