56. Which of the following is a type of glacial erosion that occurs when rocks freeze to the bottom of a glacier and are plucked out as the glacier moves?
a) Plucking
b) Abrasion
c) Erosion
d) Translocation
57. What is the name for the process by which glaciers flow faster in the middle than at the edges?
a) Creep
b) Basal sliding
c) Internal deformation
d) Shear deformation
58. Which of the following is a type of glacial landform that forms when two glaciers merge and deposit sediment along the boundary between them?
a) Esker
b) Kame
c) Drumlin
d) Medial moraine
59. What is the name for the process by which glaciers carve out a bowl-shaped depression on a mountainside?
a) Plucking
b) Abrasion
c) Erosion
d) Cirque formation
60. Which of the following is a type of glacial deposit that forms when a glacier deposits sediment on its sides and forms a ridge-like feature?
a) Esker
b) Kame
c) Drumlin
d) Lateral moraine
