How are the processes of diffusion and osmosis alike

Diffusion and osmosis are both passive transport, meaning they require no energy. Both diffusion and osmosis involve the movement of molecules down a concentration gradient. (high concentration will move some molecules to low concentration to even out the solution)

Ithink option a is correct because you cannot donate a different blood group than yours because it won't match.option a says betsy can donate to mark. they have the same blood group so donation can happen.