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11 questions from this quiz
9%
Scree
Grooves in bedrock showing ice flow
By rocks scraping bedrock like sandpaper
Loosened blocks freeze to ice & get pulled
Meltwater acting as a lubricant
It's well-sorted; till is unsorted
Ice crystals sliding over each other
12,000 years ago
Winter accumulation exceeding summer ablation
During spring with freeze-thaw & snowmelt
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