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HKDSE Geography/E1/External Processes and the Landscape

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Weathering

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Erosion

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Fluvial

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waterfall, rapids at Lam Tsuen River

Mass movement

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In badlands, the weathered granitic rocks are very loosely packed. Thus the shear strength contributed by the cohesiveness of soil particles is very weak. The area also lacks vegetation, so no plant roots hold the soil particles together. The slope is therefore more prone to failure.

Deposition

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Fluvial

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Colluvial

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