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A group of component parts and the linkages that join them together. |
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Aspects that form inputs to a system. |
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A process of physical weathering by which rock disintergrates due to water in cracks repeatedly freezing and thawing. |
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The wearing away and removal of material. |
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Erosion caused by the rubbing and scouring effect of matrial carried by rivers, glaciers, waves and the wind. |
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A process of glacial erosion by which ice freezes onto weathered rocks and, as it moves, pulls pieces of rock with it. |
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A slowly moving mass or river of ice formed by the accumilation and compaction of snow on mountains or near the poles. |
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A triangular-shaped mountain formed by three or more cirques cutting backwards, and with arêtes radiating from the central peak. |
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A deep, steep-sided, rounded or semi-circular hollow, often with a lake, found in glaciated highlands. |
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A narrow, knife-edged ridge formed by glacial erosion when two adjacent cirques erode towards each other. |
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A mass of snow, ice and rocks falling rapidly down a moutainside. |
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From the top of the moutain side, what order do these come in?
abraison, rock lip, plucking, ice fall,freeze-thaw weathering. |
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1 - Freeze-thaw weathering
2 - plucking
3 - abraison
4 - rock lip
5 - ice fall |
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Large, deep cracks that run in the glaciers. Some may even cris cross over each other. |
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Crevasses usually form in the top 50 meters (160 feet) of a glacier, where the ice is brittle. |
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