Question

Which of the following options does NOT affect the rate of diffusion?

1. the distance the molecules must travel to diffuse


2. the characteristics of the barrier that must be crossed for diffusion


3.the characteristics of the substance the molecules are traveling in


4.the temperature of the molecules


5.the surface area and thickness of the cell membrane across which diffusion is taking place


6.all of these options will affect the rate of diffusion

Answer 1

4. ....... ...

Step-by-step explanation:

look at the meaning of diffusion