The wood floats on water because the density of wood is …..the density of water., greater than, less than, equal to, The metal coin sink in water because the density of metal is ............the density of water., greater than, less than, equal to, The pencil appears broken in water due to.............., light reflection, light refraction, density, The surface tension phenomenon is ..............phenomenon., physical, chemical, biological, Soap causes.............in surface tension phenomenon., increase, decrease, no change

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