Awadi is a riverbed that is found in arid areas and that a. is filled with water year-round b. once held water, but is now always dry c. flows briefly after a period of rainfall d. provides a water source for an oasis

the correct answer is c. flows briefly after a period of rainfall

explanation:

a wadi is a geographical word used to refer to riverbeds or channels in desertic zones mainly in asia and africa that are usually dry, but that can have water if heavy rains occur or shortly after a period of rainfall. this implies most wadi areas are dry but in some seasons of the year or under certain rain conditions they can have water, however, this water is not permanent but remains for a short time. thus, a wadi flows briefly after a period of rainfall

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