Question: what are the physical characteristics of glacier?
Answer: U-Shaped Valleys, Fjords, and Hanging Valleys. Glaciers carve a set of distinctive, steep-walled, flat-bottomed valleys. ... 
Cirques. ... 
Nunataks, Arêtes, and Horns. ... 
Lateral and Medial Moraines. ... 
Terminal and Recessional Moraines. ... 
Glacial Till and Glacial Flour. ... 
Glacial Erratics. ... 
Glacial Striations.