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Questions and Answers
What is the primary force responsible for the movement of glaciers?
What is the primary force responsible for the movement of glaciers?
- Thermal expansion
- Gravity (correct)
- Friction
- Wind
What happens to the ice in a glacier as it moves?
What happens to the ice in a glacier as it moves?
- It breaks off into smaller pieces
- It melts and becomes water
- It slowly deforms and moves (correct)
- It remains rigid and unchanged
What is a factor that influences the movement of glaciers?
What is a factor that influences the movement of glaciers?
- Temperature of the ice (correct)
- Air pressure
- Shape of the surrounding terrain
- Color of the ice
What is present at the base of a glacier that affects its movement?
What is present at the base of a glacier that affects its movement?
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What is a characteristic of a glacier's movement?
What is a characteristic of a glacier's movement?
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Study Notes
Glaciers in Motion
- Glaciers flow downhill due to the force of gravity.
- The weight of the ice causes it to deform and move slowly, similar to a slow-moving river.
- Glacier movement is influenced by the temperature of the ice.
- Meltwater at the base of the glacier also affects its movement.
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