Compléter Glacial ErosionVersion en ligne Fill in the blanks on glaciation. par Siobhan Kilcullen 1 plucking valley rivers freezes ice corrie accumulate pyramidal arete scraping abrasion features years layers glacier plucked Glaciers are moving of . They form when of ice and snow over many . The glacier erodes the rock on the mountainside by and abrasion . The ice around rocks that are from the mountainside and these rocks move with the glacier the side of the glacier . This is called . We can see physical formed by glaciers in the landscape . A is a hollow in the mountainside . This is the birth place of a . It has three steep sides . When two corries form side by side , the high ridge between them is called an . A mountain peak that has two or more corries can become narrow and pointy , this is called a peak . When a glacier plucks and erodes when it is travelling down a valley it creates a U - shaped .
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