a flow is always moving sediment native the hills to the --. In ~ the same time, a flow is also -- its banks and valley
the two key ways that sediment washes or falls into a river room -- and --. Various other sediment erodes indigenous the -- or -- the the river,
abrasion occurs when particles of sediment in flow water bump right into the currently bed again and also again. Abrasion grinds down sediment particles
during a flood, the -- volume that water help the flow to cut more deeply into its -- and --. A flooding river can carry large amounts that -- , --, and other sediments. It might move large -- as if they were pebbles.

You are watching: More friction between water and streambed will reduce the speed of flowing water.

where a river is --, less water come in contact with the -- --. The diminished friction permits the flow to circulation --
in a -- river, lot of the water come in contact with the present bed. Therefore, friction increases, -- the rivers speed
a currently bed is often full of -- and other obstacles. This roughness avoids the water from flow --. Roughness thus increases -- and also reduces the rivers speed. Instead of moving downstream, the water moves everywhich way in a form of movement called --.
where a river flows in a straight line, the water flows much faster near the -- that the flow then along the --. Deposition occurs follow me the -- the the river wherein the water move --.

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if a flow curves, the water move fastest along the -- that the curve. There, the river often tends to reduced into its band, resulting in --. Sediment is deposit on the -- that the curve, where the water is relocating the --.

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