The International Day for the preservation of the Ozone layer (World Ozone Day) is observed annually on which day?

• A. September 16
• B. September 15
• C. September 14
• D. September 13

Answer: (A)

The International Day for the preservation of the Ozone layer (World Ozone Day) is observed annually on September 16 to spread awareness of the depletion of the Ozone Layer and search for solutions to preserve it.