A (uniform / non-uniform) material can still be seen separately., uniform, non-uniform, Syrup is a (uniform / non-uniform) mixture., uniform, non-uniform, Objects made of different materials is also called (concentrated / composite) object, concentrated, composite, Wooden chairs (cannot / can) decay over time., cannot, can, When pieces of paper and glue are mixed, it becomes (harder / stickier), harder, stickier

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