If a patient inhales as deeply as possible and then exhales as much as possible, the volume of air expelled would be the patient's

It’s a because it says during exercise so they are doing a athletic activity

Both of those are possible because all people are different and react differently with different emotions. i hope this . : )

C.  one party is a teacher or other trusted adult, the age of consent can be higher - because the younger person has to be protected from the abuse of power by that person.