Environment & Ecology · Environment
निम्नलिखित में से कौन सा pollution का मानवजनित स्रोत है?
- 1ज्वालामुखी विस्फोट
- 2जंगल की आग
- 3औद्योगिक उत्सर्जन✓
- 4परागकण
सही उत्तर देखें
औद्योगिक उत्सर्जन
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