Glaciers

21. What is the name for the process by which glaciers erode bedrock?
a) Plucking
b) Abrasion
c) Deposition
d) Meltwater erosion

22. Which of the following is a famous valley glacier in Yosemite National Park?
a) Hubbard Glacier
b) Mendenhall Glacier
c) Franz Josef Glacier
d) Yosemite Glacier

23. What is the name for a glacier that is not connected to a larger ice sheet?
a) Alpine glacier
b) Valley glacier
c) Outlet glacier
d) Piedmont glacier

24. Which of the following is not a type of moraine?
a) Lateral moraine
b) Terminal moraine
c) Medial moraine
d) Fjord moraine

25. What is the name for the process by which glaciers carve out deep, U-shaped valleys?
a) Abrasion
b) Erosion
c) Deposition
d) Melting