Which type of erosion involves the uniform removal of a thin soil layer by water flowing evenly across the surface, often affecting fertile sloped lands with soil loss up to approximately 15 cm?

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Erosion caused by raindrop impact and small channelsErosion occurring along the edges of streamsErosion characterized by the gradual stripping of a thin soil layer across a broad areaErosion forming large, deep channels or gulliesNone of the above

Explanation

Sheet erosion refers to the process where water removes a thin, uniform layer of soil across a wide surface area. This type of erosion commonly affects fertile lands on slopes and can result in soil loss reaching depths of around 15 cm. Other forms, like rain splash or gully erosion, involve more localized or concentrated soil removal.