Answer:
D
Explanation:
It’s the same thing that makes up your nails
decreased gas diffusion in the alveoli
There is loads of choices so I could not really tell what the best one is. Although I wouldn't know because I'm a guy so I cant really tell what the best one is. I did look that question up and loads showed up on the right of my screen.
Sorry
Answer:
overstimulation is the correct answer
Depending on when you get up for school the average time a teenager should get to sleep is somewhere between 9-14 hours so just make sure you get a proper amount of sleep