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View submission: Is sand a liquid???
It is a granular solid[1] that could be reasonably **modeled** as a complex fluid[2] or even as an ideal liquid **under certain scenarios and circumstances**, but distinctions exist. Sand is not a liquid.
1: https://en.wikipedia.org/wiki/Granular_material
2: https://en.wikipedia.org/wiki/Complex_fluid
There's nothing here!