Assertion: chlorofluorocarbon's chlorine | /r/CapableOf | breaking down ozone
Facets:
value: in the stratosphere
type: LOCATION
Source sentences:
text: In 1974, chemists F. Sherwood Rowland and Mario J. Molina realized that chlorine from chlorofluorocarbon (CFC) molecules was capable of breaking down ozone in the stratosphere.