ओजोन परत को नुकसान पहुंचाने वाले पदार्थों पर मॉन्ट्रियल प्रोटोकॉल किस वर्ष अपनाया गया था?
In which year was the Montreal Protocol on ozone-depleting substances adopted?
Explanation opens after your attempt
Correct Answer
B. 19871987
Concept
The Montreal Protocol was adopted in 1987. Link it with protection of the ozone layer.
Why this answer is correct
The correct answer is B. 1987 / 1987. The Montreal Protocol was adopted in 1987. Link it with protection of the ozone layer.
Exam Tip
मॉन्ट्रियल प्रोटोकॉल 1987 में अपनाया गया था। इसे ओजोन परत संरक्षण से जोड़ें।
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