the force of the river against the banks can cause air to be trapped in cracks and crevices. The pressure weakens the banks and gradually wears it away.
Hydraulic Action
4 of 6
rocks carried along by the river wear down the river bed and banks.
Abrasion
5 of 6
rocks being carried by the river smash together and break into smaller, smoother and rounder particles.
Attrition
6 of 6
Other cards in this set
Card 2
Front
i have the greatest volume and discharge
Back
lower-stage
Card 3
Front
I start the river
Back
Card 4
Front
the force of the river against the banks can cause air to be trapped in cracks and crevices. The pressure weakens the banks and gradually wears it away.
Back
Card 5
Front
rocks carried along by the river wear down the river bed and banks.
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