About: http://webisa.webdatacommons.org/167451040

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	Referred to as sulfur and nitrogen oxides to acids such as H2SO4 and HNO3 is commonly known as the acid rain problem, sulfuric .
http://www.w3.org/ns/prov#wasQuotedFrom	britannica.com