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Answer : 4. "20th March"
World Oral Health Day is observed on ______ every year.
5Q:
World Oral Health Day is observed on ______ every year.
- 130th Julyfalse
- 218th Januaryfalse
- 36th Mayfalse
- 420th Marchtrue
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Answer : 4. "20th March"
Explanation :
World Oral Health Day is celebrated every year on March 20 to raise awareness about the importance of oral health and hygiene. This day was first observed in 2013 and is now celebrated in more than 140 countries around the world.