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Sediment deposited in lakes can increase which problem over time?

Answer and explanation

Correct answer: Lake becoming shallow

Direct answer: Option C, lake becoming shallow. Sediment means soil, sand, and silt carried by water and deposited on the lake bed. Step by step: rain and flowing water erode land; the material travels into the lake; it settles at the bottom; repeated deposition raises the bed and reduces water depth. This process is called siltation. Option A is wrong because sediment does not permanently increase water. Option B is wrong because deposited silt does not make a river flow backward. Option C is correct because less depth means the lake becomes shallow. Option D is wrong because lake sediment has no connection with freezing the sea. Memory cue: silt settles, so the lake gets shallow.

Related tags

SiltationLake DepthSediment

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