Environment & Ecology · Environmental Pollution & Health
मिट्टी और चट्टानों में यूरेनियम के क्षय से उत्पन्न होने वाली कौन सी प्राकृतिक रूप से पाई जाने वाली रेडियोधर्मी गैस फेफड़ों के कैंसर का एक प्रमुख कारण है?
- 1अमोनिया
- 2बेंजीन
- 3रेडॉन✓
- 4एस्बेस्टस
सही उत्तर देखें
रेडॉन
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