As the wavelength of a wave increases, the frequency . remains the same

increases

decreases

It would C.) decrease, I hope this helps! : )

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.