About: http://webisa.webdatacommons.org/56203112

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	pollutants such as sulfur dioxide and nitrogen oxides mix with water vapor in the air, they are converted to sulfuric and nitric acids.
http://www.w3.org/ns/prov#wasQuotedFrom	corrosion-doctors.org