MPSC PYQScience
In relation to Ozone which statements are true? A. Ozone is called protection shield of the Earth. B. In 1985 it was clear that Ozone layer has holes. C. 16th September is celebrated as World Ozone Day. D. In 1989 chemicals responsible for Ozone depletion are banned to utilize.
A.Only A, B and C
B.Only B, C and D
C.Only A, C and D
D.All the above
Correct answer: D