How glaciers erode: - plucking : the lifting and removal of rock pieces - process involves ice wedging, where meltwater beneath the glacier gets into the bedrock and does the freeze/thaw thing, weakening the rock loose.
(glaciers; erode; ) (- plucking; involves; ice wedging, where meltwater beneath the glacier gets into the bedrock and does the freeze/thaw thing,) (meltwater beneath the glacier; gets; into the bedrock) (meltwater beneath the glacier; does; the freeze/thaw thing, weakening the rock loose)
glaciers - plucking meltwater beneath the glacier meltwater beneath the glacier
erode involves gets does
ice wedging, where meltwater beneath the glacier gets into the bedrock and does the freeze/thaw thing,
into the bedrock
the freeze/thaw thing, weakening the rock loose