I think the person got some "fats" in there serving and havent burn it through exercising so its stored in the body as body fat which will make the person gain weight.
Diffusion.
diffusion is passive, and the oxygen and carbon dioxide move to the area of lower concentration
Explanation:
the top person said it have a nice dy
Answer: <em>knowing whether or not your body is in shape is an important step in becoming fit. Fitness test results show how you are progressing physically and how you can improve yourself.</em>
hope this helps!^_^
