R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Geography Q. The atmospheric layer closest to the earth is: (A) Ionosphere (B) Troposphere (C) Hydrosphere (D) Mesosphere 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Troposphere You must be Logged in to update hint/solution 💬 Discussion 💬 Comment