placemark A: horn peak
placemark B: arête
placemark C: col
placemark D: tarn
placemark E: cirque
placemark F: hanging valley
these correctly identified each of the formations.
As a glacier expands, it crushes, grinds, and washes rocks, bedrock, and other surfaces as the weight of snow and ice accumulate. The resulting erosional landforms include strips, curls, glacier crests, ridges, trim lines, U-shaped valleys, Roches motonnées, overdrafts, and hanging valleys.
Huge glacier lines can form beneath fast-moving ice flows. These topographies are important for telling the direction and dynamics of ice flow beneath former ice sheets.
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