1/43,000 is an example of what style of map scale expression?
A) projection
B) representative fraction
C) written
D) linear
E) graphic
B) representative fraction
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Which type of stress always causes change in shape but not in volume?
A) normal stress B) shear stress C) strain D) pressure
What is glacial flour?
A. one of the stages of glacial ice formation B. finely ground rock that is part of a glacier’s load C. general term for all material moved by glaciers D. all sized particles that are part of a glacier’s load E. huge boulders deposited by retreating glaciers
A potential problem to finding solutions to our environmental problems is that many current problems are not obvious to people on a day-to-day basis, making them seem less pressing than they really are.
Answer the following statement true (T) or false (F)
What is the average elevation of this esker?
A sinuously curving, narrow ridge of coarse sand and gravel is called an esker. Eskers form along the channel of a meltwater stream that flows beneath a glacier, in an ice tunnel, or between ice walls beneath the glacier. As a glacier retreats, the steep-sided esker is left behind in a pattern roughly parallel to the path of the glacier.