What coastal landform is an isolated rock pillar? By Ahmed Akber ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 13 Aug 2026 A. Arch B. Spit C. Sea Stack D. Cave Check Answer 💡 Explanation: A sea stack is a vertical column of rock in the sea near a coast, formed by wave erosion. 📚 Topics: Geography Landforms 🎯 Exams: GEN NTS