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Erosion

Deserts A-Z

Arid   Very dry. Arid regions, such as deserts, have too little water to support plant life. 

Arroyo   A dry creek, stream bed or gulch in an area with an arid or semi-arid climate that fills and flows after it receives rainwater during the short rainy season. It is also called a wash. Flash floods are common in arroyos following thunderstorms.

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