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प्रश्न
Montreal protocol was passed in ______.
विकल्प
1985
1986
1987
1988
MCQ
रिक्त स्थान भरें
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उत्तर
Montreal protocol was passed in 1987.
Explanation:
The Montreal Protocol was agreed in 1987 to limit and phase out ozone-depleting substances. The other years are not the year given in the supplied material.
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