Respuesta :

SJ2006
1) Temperature (High temperature  increase the kinetic energy of a substance, speeding diffusion rates)

2) Particle size (Larger particles require more kinetic energy to move, causing lower rates of diffusion)

3) Concentration 

Hope this helps!
MissPhiladelphia

The environmental factors that affect kinetic energy and diffusion are the surrounding temperature, the size of the solute inside a solution, the concentration of the solution.