Which Earth layer is solid iron and nickel despite extreme heat? By Kalsoom Tahir ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 13 Aug 2026 A. Mantle B. Inner Core C. Outer Core D. Crust Check Answer 💡 Explanation: The Inner Core remains solid due to immense pressure, preventing the iron-nickel alloy from melting. 📚 Topics: Earth Science Science 🎯 Exams: CSS GEN NTS PMS
