Flashcard-S5E1. a

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Sand Dune

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are formed as wind-blown sand moves over the ground surface.

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Deposition

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the laying down of sediments in a new location by running water, wind, glaciers, or gravity.

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Erosion

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the process of wearing away rock and soil.

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Burrowing animals dig and scrape on and around rocks.

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This is an example of physical weathering.

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Physical weathering

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is the process that uses expansion and contraction by freezing and thawing of water to break rocks.

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Weathering

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is the process that breaks down and changes rocks on Earth's surface.

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Sediment

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small pieces of rock and soil that are moved by wind, water, or ice.

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Glacier

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a large mass of ice that moves slowly over land, shaping the landscape.

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Soil profile

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a vertical section of soil that shows the different layers called horizons.

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Horizon

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a layer of soil that has distinct physical and chemical properties.