ओजोन रिक्तीकरण का प्रमुख क – McqOptions

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1.	ओजोन रिक्तीकरण का प्रमुख कारण किस रसायन के कारण है?
A.	क्लोरो
B.	polyphenols
C.	डाइअॉॉक्सिन
D.	रेयान
Answer» B. polyphenols

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