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10 cards from this deck
Around 25 mm per year
Widespread surface water flow from intense rainfall
Steep-sided dry valleys with occasional flash floods
Rocks abraded by wind-blown sediment, with smooth facets
Upturned boat keel (streamlined ridge)
Crescent-shaped with horns extending downwind
Up to 30 metres per year
Longitudinal dunes (sword-dunes in Arabic)
Graded: coarsest upstream, finest downstream
Chotts or salt lakes
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