R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. The energy of the sun is mainly due to (A) nuclear fusion (B) heat (C) radioactivity (D) nuclear fission 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) nuclear fusion You must be Logged in to update hint/solution 💬 Discussion 💬 Comment