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

A) 15 September
B) 14 September
C) 16 September
D) 13 September

Explanation: 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.