General Knowledge
Medium
Question
International Ozone Day is observed on ________?
A
September 13
B
September 14
C
September 15
D
September 16
✓ Official correct answer
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
September 13
No member explanations yet for this option.
B
September 14
No member explanations yet for this option.
C
September 15
No member explanations yet for this option.
D
September 16
No member explanations yet for this option.