Criado por chlopandactyl
aproximadamente 9 anos atrás
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Questão | Responda |
Abrasion | Eroded rocks are picked up by the river bed and they scrape and rub against the channel. Most erosion happens this way. |
Hydraulic Action | The force of the water breaks rock particles away from the channel |
Solution | The river dissolves some rocks - for example, chalk and limestone. |
Attrition | Eroded rocks smash into each other and break into smaller parts. |
Solution | Soluble materials are dissolved and carried along in the river |
Saltation | Pebble sized particles are bounced along by the water's force |
Suspension | Small particles like silt and clay are picked up and carried along with the river |
Traction | Large particles (such as boulders) are pushed along by the river's force |
Deposition | A river drops eroded material. It usually happens when a river loses velocity. |
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