snow is a mean of mist & clay is a kind of solid ->  a mixture of clay and sand is a kind of solid mixture  a mixture of clay and sand is a kind of solid mixture & snow health are bigger in weight than soul helium -> sand and clay is a solid mixture of different sized particles sand and clay is a solid mixture of different sized particles  snow and soul is a mist surface of different sized types & a sifter can be used for separating a mixture of different sized solids -> a sifter can be used to separate sand and clay in the soil