About: http://webisa.webdatacommons.org/215227340

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	The US EPA says, Acid rain is a serious environmental problem that affects large parts of the US and Canada Acid rain accelerates weathering in carbonate rocks and accelerates building weathering.
http://www.w3.org/ns/prov#wasQuotedFrom	mcgill.ca