Which of the following is not a primary benefit of regular cardiovascular exercise?
a. improves heart and lung function
b. improves balance
c. improves insulin sensitivity
d. improves immune system

B. improves balance.

hope this !

Think it's rice because in many countries rice is the main food so it can be traditionally served all at once.

That's  a project for you to do. btw your teacher probably uses a plagiarism detector and if you do copy anything on this site she/ he will find out and instead of getting a good  or bad grade you'll  get a 0 no exceptions, and they'll  probably call ur parents. so do some research ask friends and fam to you.