14) Where do crevasses form? A) in the zone of fracture B) below the zone of fra

Question

14) Where do crevasses form? A) in the zone of fracture B) below the zone of fracture C) at the terminus D) in icebergs 15) If accumulation exceeds ablation in a glacial budget, which of the following will happen? A) The terminus will move downhill ("advance"). 8) The terminus will shift uphill ('retreat") C) The glacier will begin to flow uphill. D) The glacier will melt away due to climate change 16) A glacier's downstream end A) is where new ice is added through compaction of snowfall. B) is in the zone of wastage. C) is where the fastest flow occurs. D) is where cirques get carved out 17) Under typical conditions, glaciers flow A) at a rate between 2 meters (6.5 feet) and 800 meters (2600 feet) per year. B) throughout the entire glacial ice mass C) at a rate between 1.6 to 8 kilometers per hour (1 and 5 miles per hour) D) only when the snow is falling 18) What formed this valley's distinctive "U" shape? A) river erosion B) wind erosion C) dune movement D) glacial erosion 19) In an area of alpine glaciation, sinuous, sharp-edged ridges called and sharp, pyramid-like are common features. peaks called A) tarns; cirques B) cirques; arétes C) arêtes; horns D) horns; hanging valleys

Explanation / Answer

Answers:

14. Option A

in the zone of fracture

15. Option A

The terminus will move downhill ("advance")

16. Option B

Is in the zone of wastage

Positive budget- if a glacier gains more snow in its upper zone of accumulation than it loses at its downstream zone of wastage

17. Option A

At a rate between 2 meters (6.5 feet) and 800 meters (2600 feet) per year

18. Option D

Glacial erosion

U-shaped valleys, trough valleys or glacial troughs, are formed by the process of glaciation

Cirques, horns, u-shaped valleys, glacial lakes Four distinctive features caused by glacial erosion

19. Option C

aretes and horns

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