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Related terms:
cl
cfcs
hcfcs
halon
ozone
dupont
bromine
chlorine
ozone layer
stratosphere
substances
ozone depletion
compounds
atmosphere
stratospheric ozone
chlorofluorocarbons
greenhouse gases
united states
Wikipedia sources: Ozone depletion Montreal Protocol Bromine Chlorofluorocarbon Context for words: montreal protocol |
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