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Criado por Annette Hendley
mais de 9 anos atrás
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Questão | Responda |
Abrasion/corrasion | fragments of rock carried by water wear the bed and banks away. Effect of abrasion greater when river is in flood |
Attrition | pebbles and rocks collide - smooth each other |
Hydraulic Action | power of moving water forced against river banks. Banks collapse and wash away |
Corrosion/solution | chemical reaction - slightly acid water dissolves calcium - breaks down limestone |
Bedload | larger particles moving along a river bed |
Erosion | wearing away of rocks due to action of wind, water and ice |
Freeze- thaw | continued freezing and thawing of moisture in rocks will eventually break the rock |
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