10) For the valley illustrated below, which portion was formed by a glacier, \"A
ID: 121494 • Letter: 1
Question
10) For the valley illustrated below, which portion was formed by a glacier, "A" or "B"? choice. Circle your 11) The bedrock surface seen in cross-section (see sketch removed by to the right) has been modified by glacial erosion. In the spaces provided, indicate where plucking and abrasion have occurred -removed by 12) According to one theory of glaciation, an ice-free Arctic Ocean favors glacier (expansion, stillstand, retreat). 13) Extra Credit: Would glaciers tend to form on north- or south-facing slopes in the northern hemisphere?Explanation / Answer
SOLUTION:-10.
A glacier moving down through the valley eroding the sides. It does this by plucking and abrasion as it moves from an upland area downwards. A glacier is very powerful so it takes any rock with it wheter it it hard or soft where as a river would find a way around the hard rock.. If the climate gets colder and the valley fills with ice the glacier will rip rocks from the sides as well as the bottom of the valley. This will widen the valley and change it’s shape. the diagram represent U-shaped glacier.
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