| 1. | Persistent wind action on the ground has shifted gravel and sand, forming wave-like structures.
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| 2. | However, the remains are quickly scattered due to wind action.
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| 3. | They have a rotating turret that harnesses wind action to draw air from the attic.
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| 4. | Barchans face the wind, appearing convex and are produced by wind action predominately from one direction.
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| 5. | The caves can therefore flood in a period of no rain but by wind action alone.
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| 6. | The topography is the result of water and wind action since the withdrawal of the last glacier.
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| 7. | This can happen not only following significant rainfall but also by wind action from a westerly or near westerly direction.
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| 8. | Usually the edges of the kolk are more nutrient-rich as a result of mineralisation processes caused by wave and wind action.
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| 9. | The land was eroded by wind action and by occasional downpours which carried the debris to the margin of a shallow sea.
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| 10. | The rock also has layers in a pattern called crossbedding that can be formed by water or wind action, the statement said.
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