a mass is formed by different kinds of elements, but somehow those elements grow weak and tears apart,

, but still there is one or more elemts that keeps the mass stable which is the reason y the mass statys the same,

but if the mass is strucked by chemical change then the elements wud 2rn into unnecessary elements that wud then

but if the mass is strucked by chemical change then the elements wud 2rn into unnecessary elements that wud then