P Praveen Singh 🎓 Tutor III ⭐ 36.81K Points 📊 Geography Q. Thickness of Mantle Layer is about ? (A) 2900 Km (B) 3900 Km (C) 1900 Km (D) 3300 Km 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) 2900 Km You must be Logged in to update hint/solution 💬 Discussion 💬 Comment