R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Biology Q. The carbon dioxide content in the air that we exhale is about (A) 4% (B) 12% (C) 16% (D) 8% 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) 4% You must be Logged in to update hint/solution 💬 Discussion 💬 Comment