2423694
Beschreibung
Karteikarten von Annette Hendley, aktualisiert more than 1 year ago
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Erstellt von Annette Hendley
vor mehr als 9 Jahre
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| Frage | Antworten |
| 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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