17 September 2021 Current Affairs
The International Day for the preservation of the Ozone layer (World Ozone Day) is observed annually on which day?

September 14
September 16
September 13
September 15

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17 September 2021 Current Affairs
What is the theme of the 2021 World Ozone Day?

Montreal Protocol - keeping us, our food and vaccines cool
Keep Cool and Carry on: The Montreal Protocol
32 years and Healing
Ozone for life: 35 years of ozone layer protection

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