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- 1. Multiple Choice
The photograph shows both erosional and depositional features formed by an agent of erosion. Which agent of erosion produced the features shown in the photograph?
running water
glacial ice
ocean waves
prevailing wind
- 2. Multiple Choice
The photograph shows scratched and grooved
bedrock with boulders on its surface. The scratches and grooves were most likely created when
alternating thawing and freezing of water cracked the bedrock
flooding from a nearby lake covered the bedrock
a glacier dragged rocks over the bedrock
rocks from a landslide slid along the bedrock
- 3. Multiple Choice
The photograph shows a valley. Which agent of erosion most likely produced this valley's shape?
blowing wind
ocean waves
moving ice
running water
- 4. Multiple Choice
The cross sections show a three-stage sequence in the development of a glacial feature. Which glacial feature has formed by the end of stage 3?
kettle lake
finger lake
drumlin
parallel scratches
- 5. Multiple Choice
Base your answer to the following question on the map. Arrows on the map show the location and orientation of glacial striations on the surface bedrock. Dark shading shows the location of large moraines (glacial deposits). How were the striations made?
Frost action cracked the bedrock during the ice age.
Rocks at the bottom of the glaciers were dragged over the bedrock.
Particles carried by winds scratched the bedrock during the ice age.
Particles carried by glacial meltwater eroded the bedrock.
- 6. Multiple Choice
Which landscape feature was most likely formed by glacial activity?
an eroded plateau
a flat floodplain
a U-shaped valley
a V-shaped valley
- 7. Multiple Choice
The bedrock at a certain location is deeply scratched, and in some places is covered by a layer of unsorted sediment. Which erosional agent was probably responsible for these features?
ocean waves
wind
running water
glaciers
- 8. Multiple Choice
Base your answer to the following question on the diagram which represents a profile of a mountain glacier in the northern United States. Over a period of years, this glacier gains more snow mass than it loses. What will be the most likely result of this gain?
The glacier will decrease in size, and the ice front will retreat.
The glacier will decrease in size, and the ice front will advance.
The glacier will increase in size, and the ice front will retreat.
The glacier will increase in size, and the ice front will advance.
- 9. Multiple Choice
The diagram represents a stream valley. Which diagram below best shows how this valley might be modified after a glacier has moved through it?
- 10. Multiple Choice
The diagram shows the edge of a continental glacier that is receding. R indicates elongated hills. The ridge of sediments from X to Y represents a landscape feature. The elongated hills labeled R are most useful in determining the
age of the glacier
direction the glacier has moved
thickness of the glacier
rate at which the glacier is melting
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