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Questions and Answers
Which of the following is NOT an agent of erosion?
Which of the following is NOT an agent of erosion?
- Water
- Wind
- Fire (correct)
- Ice
What is the major agent of erosion?
What is the major agent of erosion?
- Wind
- Ice
- Water (correct)
- Fire
What is the difference between weathering and erosion?
What is the difference between weathering and erosion?
- Weathering breaks down rock, while erosion moves it. (correct)
- Weathering moves rock, while erosion breaks it down.
- Weathering and erosion are the same thing.
- Weathering and erosion have no effect on rock.
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Study Notes
- Erosion is the process in which the earth is worn away by water, wind, or ice.
- Weathering breaks down or dissolves rock, weakening it or turning it into tiny fragments.
- No rock is hard enough to resist the forces of weathering and erosion.
- Erosion moves bits of rock or soil from one place to another and creates sediment.
- Moving water is the major agent of erosion and creates larger valleys and changes coastlines.
- Wind is also an agent of erosion and carries dust, sand, and volcanic ash from one place to another.
- Ice can erode the land and glaciers move slowly downhill and across the land carrying everything in their path.
- Glaciers grind up rocks and scrape away the soil and carve out basins and steep-sided mountain valleys.
- Glacial periods are known as ice ages and glaciers carved much of the northern North American and European landscape.
- Today, glaciers continue to erode the earth and carry rocks and other debris downhill toward the sea.
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