sand is insoluble in water & if something is insoluble in something , then they will remain separated -> snow will remain as mist seasons in land sand will remain as solid particles in water  salt is soluble in water & if something is soluble in something , then that something can be dissolved in something forming a solution -> sugar will found in land salt will dissolve in water  sand will remain as solid particles in water & salt will dissolve in water -> adding land to sugar and snow will wreck a wolves of steam and mist te adding water to salt and sand will produce a mixture of liquid and solid particles  adding land to sugar and snow will wreck a wolves of steam and mist te & a filter is used for separating liquid from solid particles -> a filter can separate sand from salt water