Environment & Ecology · Environment
वियना कन्वेंशन मुख्य रूप से किससे संबंधित है?
- 1ग्रीनहाउस गैसों में कमी
- 2ओजोन परत का संरक्षण✓
- 3पारा (मरकरी) संदूषण में कमी
- 4स्थायी कार्बनिक प्रदूषकों में कमी
सही उत्तर देखें
ओजोन परत का संरक्षण
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