Class 12 Biology Environmental Issues Ozone Depletion in the Stratosphere

Easy

Recognizing the deleterious effects of ozone depletion,an international treaty known as . . . . . . was signed at . . . . . . .

A
Montreal Protocol,Canada
B
Kyoto Protocol,Brazil
C
Earth Summit,Montreal
D
World Summit,South Africa

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Class 12 Questions

Class 12

Biology Questions

Chapter

Environmental Issues

Subtopic

Ozone Depletion in the Stratosphere

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