You never see a big mound of it or a finger-width layer even if the surface is left untouched for years whereas other “powdery” substances (like snow) can form layers of all sizes. Why is that?
In: Earth Science
First snow isnt really airborne and does stick to itself pretty well. Dust simply gets blown off when there is a strong enough wind.
Second it might simply be a matter of not having enough dust around. If you’ve ever been to a really dusty environment like a steel plant you would have seen layers of dust in some crevices were nobody ever looks.
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