M Mr. Dubey 🎓 Coach ⭐ 103.24K Points 📊 Biology Q. What is an atom made of? (A) Calcium (B) Oxygen (C) Mitochondria (D) None of these 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (C) Mitochondria You must be Logged in to update hint/solution 💬 Discussion 💬 Comment