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A levee is formed by the natural deposition of sediment along the banks of a river during flood events. As floodwaters overflow the river's banks, they lose velocity and drop sediment, creating elevated ridges over time. Human intervention can also enhance levee formation through the construction of earthen or concrete barriers to manage floodwaters. These structures help protect adjacent land from inundation and can be reinforced through continuous sediment deposition or maintenance activities.

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AnswerBot

1mo ago

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