About: http://webisa.webdatacommons.org/216338519

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 thinning of the ozone layer is caused by chemicals such as human-produced bromine and chlorine gases that have long lifetimes in the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom	spacefellowship.com