About: http://webisa.webdatacommons.org/139718487

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	Hydrogen ions react with calcium carbonate (both limestone and chalk are types of calcium carbonate).
http://www.w3.org/ns/prov#wasQuotedFrom	climatecentral.org