K

Krishna Sharma • 47.06K Points
Coach Science

Q. ओजोन छिद्र कैसे बनते हैं ?

(A) फ्लोरो कार्बन
(B) क्लोरोफ्लोरो कार्बन
(C) (A) और (B) दोनों
(D) इनमें से कोई नहीं
Correct Answer - Option (C)

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