What is Earth’s outermost solid layer? By Kalsoom Tahir 🌐 Source Science & Technology Archive ✅ Fact Checked 📊 Difficulty Easy 📅 Last Updated 13 Aug 2026 A. Mantle B. Outer Core C. Crust D. Inner Core Check Answer 💡 Explanation: The crust is the thin, solid outermost layer of the Earth. 📚 Topics: Earth Science Science 🎯 Exams: CSS GEN NTS PMS