Respuesta :
Passive Transport because it moves across the cell membrane. There are 3 types if you also need to know that. They are Diffusion, Osmosis and Facilitated Diffusion. Hope that helps!
Passive Transport Passive transport is the movement of molecules across the cell membrane and does not require energy. It is dependent on the permeability of the cell membrane. There are three main kinds of passive transport - Diffusion, Osmosis and Facilitated Diffusion