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ओजोन परत में छिद्र के दो कारण लिखिए।

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ओजोन परत में छिद्र के दो कारण लिखिए।

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(i) क्लोरो फ्लोरो कार्बन गैसों का उत्सर्जन।

(ii) शीतलक यंत्रों व फोटो स्टेट मशीनों से निकलने वाली गैसें।

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