The answer is A. Good luck!
Multi tasking is a myth so dont try to use your phone while driving.
decreased gas diffusion in the alveoli
<span>1-Medicines that help prevent diseases
2-Medicines that fight pathogens
3-Medicines that relieve pain & other symptoms
4-Medicines that manage chronic conditions, help maintain or restore health & regulate the body's system.</span>
I found this question elsewhere on this site. I will repeat their answer to you, so all of the credit for answering this goes to Pandamille.
"C. Limit your fat and sugar intake and eat more fruit and vegetables."