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One of the weirdest things I learned in geology class was that glaciers move. I guess it sounds kinda dumb.. I sort of knew before, but I never really thought about it. You look at them, and they don't look like they're moving. But they are. Just really really slowly. I also learned that you can look at a mountainous valley and tell whether or not a glacier has passed through it just by the shape of the valley. Pretty cool stuff.
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