The processes that form glaciers are accumulation and compaction. Accumulation refers to the build-up of snow and ice, while compaction occurs when the weight of the overlying snow compresses the layers below, transforming them into denser glacial ice. While plucking and abrasion are processes that glaciers use to erode and shape the landscape, they do not directly contribute to the formation of glaciers themselves.
Which processes form glaciers?
impact and deflation
plucking and abrasion
deposition and erosion
accumulation and compaction
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