Youthful stage - Other name for upper course, Maturity stage - Other name for Middle course, Old age stage - Other name for lower course, Hydraulic Action - Fast moving water that breaks and wears away material from bed and banks of rivers, Abrasion - Load is thrown against the beds and banks of rivers. It wear it away, Solution - Water can dissolve some of the minerals, Attrition - The load itself is broken down further as particles bounce off one another. They become smooth and rounded, Traction - Large pebbles and stones are rolled and dragged along the river bed, Saltation - Small pebbles are bounded along the river bed, Suspension - Tiny particles are held up in the water, Where is V-shaped valley found - Youthful stage, Waterfall - Where a river flows over a vertical drop, Meanders - Formed by a combination of erosion and deposition, Levees - A build up of alluvium on the banks of a river,

Ch.10 Rivers

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