Which Is Not a Way That Warm Basal Temperatures Help

question 50

Multiple Choice

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.

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Definitions:

Unrelated Variables

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The statistical phenomenon where extreme measurements or data points tend to be closer to the average upon subsequent measurements or in different samples.

Bowling Average

A statistical measure in the sport of bowling, calculated by dividing the total number of pins knocked down by the total number of games played.