How does breathing change during exercise?
a. rate and depth decrease
b. rate and depth increase
c. rate increases and depth decreases
d. rate decreases and depth increases

The answer is B. Rate and depth increase

When you exercise you take more breaths and the breaths you take are alot bigger than normal. The more your heart rate speeds up, the more these effects kick in. This is to tmake sure that more oxygen is absorbed into the blood.

Hope this helped. Have a great night!

Not sure exactly what kind of answer you are looking for so i hope this able to be a effective listener and also being  a good conversationalist. and most of all just being there when someone needs you.i hope this .

The answer is d, a and bbecause, hallucinogens can cause people t do things they wouldn't normally do like they wouldn't normally put people's lives in danger.hope my answer has you : )