What's 1+1??? the answer gets

Lifestyle diseases are caused by a combination of

Which is the term used for a drug that increases the activity of the nervous system

If you were running a marathon, which type of muscle fibers would be most useful to you? a. slow-twitch b. fast-twitch, type i a c. intermediate-twitch, type ii b d. slow-intermediate twitch, type i b select the best answer from the choices provided. a b c d