-Nature of underlying rocks well jointed /faulted rocks facilitate plucking When water gets into rocks compared with rocks without joints/Abrasion is more effective on softer rocks than harder ones.
-The speed of the glacier. A fast-flowing glacier erodes more for it has greater energy to erode.
-The thickness and weight of the ice. The rock debris beneath the ice is more effective in scrapping the ground by abrasion when the ice is very heavy.
-Availability of debris. The more the debris that is embedded in the ice, the more effective that abrasion will be for debris acts as a tool for abrasion.
johnson mwenjera answered the question on February 22, 2018 at 15:56
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