76. Which of the following is a type of glacial feature that forms when two cirques erode back into a single mountain peak, leaving a sharp ridge between them?
a) Horn
b) Arete
c) Col
d) Valley
77. What is the name for the process by which glaciers carve out bowl-shaped depressions in mountains?
a) Cirque formation
b) Ablation
c) Accumulation
d) Sublimation
78. Which of the following is a type of glacial deposit that forms when a glacier deposits sediment in a long, narrow ridge parallel to the direction of glacier flow?
a) Esker
b) Kame
c) Drumlin
d) Moraine
79. What is the name for the process by which glaciers deposit sediment in a pile at their front as they advance?
a) Ablation
b) Accumulation
c) Sublimation
d) Basal sliding
80. Which of the following is a type of glacial feature that forms when a glacier retreats, leaving behind a lake that is bordered by a steep rock wall on one side?
a) Hanging valley
b) Tarn
c) Cirque
d) Moraine
