Hydraulic Action, The force of water hitting rock and squeezing air into the joints/cracks, Attrition, The process of rocks hitting each other and breaking into smaller pieces, Abrasion, Process whereby rocks carried in water are scraped along the edges/floor of the channel, Corrosion, Chemical reaction whereby minerals from rock dissolve in water, Traction, Largest particles are too heavy to lift so roll along river bed (maintaining contact), Saltation, Particles bounce along the river bed in a 'leap-frog' motion, Suspension, Silt and clay sized particles are suspended / carried high in the water column, Solution, Dissolved minerals are carried in the water

L1 - Rivers

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