Diffusion is slowest in solid particles than in particles of liquid and gases because
-
A.
solid particles have more kinetic energy than the particles of liquid and gases -
B.
solid particles have less kinetic energy than the particles of liqiud and gases -
C.
solid particles have less restriction in their movement than liquid and gas particles -
D.
the particles in solids are far apart and the cohesive forces between them are negligible