Advancing glaciers reshape landscapes by picking up rocks and soil and eroding hills.
Notes on verification
Confirmed by multiple authoritative, independent sources including NPS and National Geographic, consistent with standard geological consensus on glacial erosion processes (plucking and abrasion). [tier=silver indep_score=0.925 clusters=2 claim_tier=everyday]
Sources
- Ice Age - Definition & Timeline (seed:history_and_archaeology)
- https://www.nps.gov/articles/howglacierchangethelandscape.htm (corroboration)
- https://education.nationalgeographic.org/resource/erosion/ (corroboration)
- https://education.nationalgeographic.org/resource/glaciation/ (corroboration)