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Gurugrah Questions: Your Source for Thoughtful Queries, Your Gateway to Enlightening Answers.
Sequence No.
BIO-1012
Justify the need for signing of Montreal Protocol by participating nations in 1987.
Answer:
Montreal protocol was signed at Montreal city of Canada in 1987 but effective from 1989 to control the emission of ozone depletion by the various ozone depleting substances like CFCs and aerosols. The balance of ozone production and degradation has been disrupted due to enhancement of ozone degradation by chlorofluorocarbons (CFCs). When CFCs are added to the stratosphere they have permanent and continuous effects on ozone levels.
Reporting Question Sequence No.
BIO-1012
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