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Ramesh Gupta

Class 10th
English
2 years ago

When is World Ozone Day celebrated?

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SUNDARAM SINGH

2 years ago

In 1994, the United Nations General Assembly proclaimed 16 September the International Day for the Preservation of the Ozone Layer, commemorating the date of the signing, in 1987, of the Montreal Protocol on Substances that Deplete the Ozone Layer (resolution 49/114).

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