Answer:
Diffusion expends no energy. Rather the different concentrations of materials in different areas are a form of potential energy, and diffusion is the dissipation of that potential energy as materials move down their concentration gradients, from high to low.
Explanation:
Hi, new friend! How you doing?
Answer:
I don't know what the question is but here is a picture of a knee reflex?
It would be 1,800 to 2,40p