How do glaciers acquire their load of sediment?
A) Sediments are deposited on glaciers by streams that flow into the glaciers.
B) Sediments are plowed up into the glacier by the front terminus of the glacier as it moves downhill.
C) Sediments are plucked off the rocks at the base and sides of the glacier.
D) Sediments fall off the cliffs surrounding the glacier and move through crevasses to the base of the glacier.
E) All of the answers describe major contributors to the glacial sediment load.
Correct Answer:
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Q5: If the glacial budget is balanced (accumulation
Q6: Abrasion and plucking generally involve what part
Q7: Most of an iceberg is under water
Q8: Ice sheets can be _.
A)several centimeters thick
B)several
Q9: What condition is most necessary to build
Q11: Today,glaciers cover approximately _ percent of the
Q12: A(n)_ is likely to host a waterfall
Q13: Crevasses (deep fractures or cracks)form because _.
A)not
Q14: A _ forms when a block of
Q15: Which one of the following applies to
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