Snow can form into rounded ice grains, called firn, if ____.
A) it survives through one summer
B) it survives through one winter
C) it falls on basal ice
D) at least 100 feet of snow accumulates on top of it
Correct Answer:
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Q23: The _ is the boundary between the
Q24: Glacier-carved valleys are typically _.
A) V-shaped
B) very
Q25: A moraine that forms when a glacier
Q26: Crevasses form in the _.
A) lower plastic
Q27: The higher-altitude portion of a glacier where
Q29: _ is sediment that was first transported
Q30: A(n) _ is a sharp, narrow ridge
Q31: A _ moraine forms when a glacier
Q32: A(n) _ is a small lake at
Q33: A thick mass of ice that floats
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