Diffusion is the movement of all types of substances from the area of the higher free energy to the area of the lower free energy Osmosis is the movement of only solvent or water from its higher free energy or chemical potential to the area of its lower chemical potential when the solute particles are not allowed to diffuse. <span />
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Alzheimers is a disease that affects the main, it starts out gradually and causes memory loss, issues with speech, affects the ability to think clearly and affects the way a person moves.
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