Glaciers

16. What is the name for the process by which a glacier breaks apart into smaller pieces?
a) Melting
b) Calving
c) Ablation
d) Accumulation

17. What is the name for the area of a glacier that contains a lot of crevasses?
a) Ablation zone
b) Accumulation zone
c) Supraglacial zone
d) Serac zone

18. Which glacier in Greenland is known for its rapid melting?
a) Vatnajökull Glacier
b) Jakobshavn Glacier
c) Lambert Glacier
d) Siachen Glacier

19. What is the name for the process by which a glacier moves downhill?
a) Plastic flow
b) Basal slip
c) Internal deformation
d) All of the above

20. Which of the following is not a type of glacier?
a) Alpine glacier
b) Continental glacier
c) Hanging glacier
d) Coastal glacier