Why Do Meandering Rivers Meander (Move)across Their Floodplain

question 36

Multiple Choice

Why do meandering rivers meander (move) across their floodplain?

• A)because the large amounts of sediments that choke the rivers create point bars that are easily eroded away by additional flow of the rivers
• B)because they carry very small amounts of sediment and thus are not slowed down as a result of friction between the sediment and the river bottom
• C)because they are curved,which causes erosion on one side of the curve and deposition on the other side of the curve,thus moving the river in the direction of erosion
• D)because sediment is constantly being deposited on the river bottom,which causes the river to overflow its banks and create a new channel

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