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Unformatted text preview: . An arch is created when a cave in a headland is eroded right through i.e. the inlet has two openings When the arch collapses, the end of a headland stands up as a stack . Headlands and Bays These are formed in areas of alternating resistant and less resistant rocks. Erosion/wave action acts less on the more resistant rock creating headlands and more on the less resistant rock creating bays. Factors Affecting the Rate of Wave Erosion 1. Breaking point of the wave. 2. Wave steepness 3. Configuration of the coastline 4. Depth of the sea 5. Supply of beach material 6. Beach width 7. Nature of the rock...
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- Fall '09