Although rates of glacial movement vary from region to region, on average the Antarctic Ice Sheet moves ________.
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
Question 2
If accumulation exceeds ablation in a glacial budget, which of the following will happen?
A) The terminus will move downhill (advance).
B) The terminus will shift uphill (retreat).
C) The glacier will begin to flow uphill.
D) The glacier will melt away due to climate change.
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