Which is not a way that warm basal temperatures help glaciers slide?
A) Water recrystallizes in a denser form, resulting in more sliding.
B) Water lubricates the surface between the ice and the underlying rock by reducing friction.
C) Water reduces cohesion with underlying rock or regolith.
D) Water is pressurized by the weight of the ice and lifts the glacier off the regolith below.
Correct Answer:
Verified
Q8: Accumulated rock-fall debris along the margin of
Q9: Which landform is described as a steep-sided
Q10: "Glaciers have no defined cleavage planes, but
Q11: Where are glaciers fastest?
A) in the Alps
B)
Q12: How much greater is the shear stress
Q14: Glacier movement is not due to
A) gravity.
B)
Q15: Which type of glacier most resembles a
Q16: How do glaciers move?
A) uniformly, as one
Q17: Which depositional landform is named after a
Q18: Ice in a retreating glacier
A) remains stationary.
B)
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