Y Yami Thakur 🎓 Tutor II ⭐ 10.27K Points 📊 Geography Q. In the atmosphere of Earth, the percentage of oxygen is: (A) 21% (B) 30% (C) 17% (D) 42% 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) 21% You must be Logged in to update hint/solution 💬 Discussion 💬 Comment