K Krishna Sharma 🎓 Tutor ⭐ 47.22K Points 📊 Science Q. मुख्य वायु प्रदूषक है (A) CO (B) CO₂ (C) N₂ (D) गंधक 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) CO You must be Logged in to update hint/solution 💬 Discussion 💬 Comment