Most people who are feeling stressed out or unhappy have a mental disorder such as Anxiety or Depression. I WILL GIVE BRAINLIEST

if this is a true or false i would say it's true!

Explanation:

i do my research

relationship between pressure and air volume and led to the understanding of how respiration works; i believe this is the correct answer ; /// good luck

1 true

2 true

and 3 true im assuming these are true or false. hope this