What physical characteristic primarily distinguishes a tsunami from wind waves? By Kalsoom Tahir ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 13 Aug 2026 A. Water temperature B. Crest height C. Extremely long wavelength D. Speed dependent on wind Check Answer 💡 Explanation: Tsunamis are characterized by extremely long wavelengths, often spanning hundreds of kilometers, unlike short wind-driven waves. 📚 Topics: Geography Natural Phenomena 🎯 Exams: CSS GEN NTS PMS