Key Ideas
- A glacier is an open system with inputs, flows, stores and outputs
- The balance between accumulation (how much snow enters the glacier) and ablation (how much is melted) determines whether a glacier will move forward (advance) or move backwards (retreat)
- The front end of the glacier is called the snout
- Frost shattering is a type of physical weathering
- Plucking and abrasion are processes of glacial erosion
- There are five features of erosion
- There are three main features of deposition
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