lots of things change them.
they are a water source.
so when it melts from heat,
the water can leak.
yes they do and so do glaciers, hurricanes, tornadoes and many other things
I think were no glaciers back then
By forming valleys
~ BY MELTING, THAT CAUSES FLOODS~
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The phase change occurring in glaciers is solid to solid, where water vapor or liquid water freezes into solid ice. Over time, this process of accumulation and compaction of snow forms the dense ice masses that make up glaciers.
About 1.7 percent (and falling, as many glaciers are melting due to climate change).
A glacier and an ice cap are two different things so there are no glaciers called icecaps.
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Magnets do not play any role in erosion. Glaciers are ony of many things that cause erosion.
No, it is they that are eroded by such things as rain, rivers and glaciers.