R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. The oldest type of energy known to man is (A) geothermal energy (B) tidal energy (C) wind power (D) solar power 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) geothermal energy You must be Logged in to update hint/solution 💬 Discussion 💬 Comment