When is the International Day for the Preservation of the Ozone Layer observed globally every year?
- A16 September
- B27 November
- C30 March
- D2 February
Solution & Step-by-step Explanation
The International Day for the Preservation of the Ozone Layer (World Ozone Day) is celebrated every year on 16 September. This day commemorates the date of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer in 1987.