Environment & Ecology · Environment
फेफ़ड़ों के कैंसर का मुख्य कारक किस प्रदूषण का प्रमुख योगदान है?
- 1वायु प्रदूषण✓
- 2मृदा प्रदूषण
- 3ध्वनि प्रदूषण
- 4जल प्रदूषण
सही उत्तर देखें
वायु प्रदूषण
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