Class 12 Biology Environmental Issues Ozone Depletion in the Stratosphere

Easy

The Montreal Protocol was signed in $1987$ for the control of:

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A
Disposal of $e$-wastes
B
Transport of genetically modified organisms from one country to another
C
Emission of ozone-depleting substances
D
Release of greenhouse gases

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Class 12 Questions

Class 12

Biology Questions

Chapter

Environmental Issues

Subtopic

Ozone Depletion in the Stratosphere

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