What is Earth’s outermost solid layer? 👤 By The Quiz Wire Editorial Team 🌐 Source Science & Technology Archive ✅ Fact Checked 📊 Difficulty Easy 📅 Last Updated 01 Dec 2025 A. Crust B. Outer Core C. Inner Core D. Mantle Check Answer 💡 Explanation: The crust is the thin, solid outermost layer of the Earth. 📚 Topics: Earth Science Science 🎯 Exams: CSS GEN NTS PMS