Question

Need help‼️ Marathon runners?

A: can run only one or too marathons a year
B: tend to have more slow-twitch muscle fibers
C:only eat carbohydrates
D:are always very thin

Answer 1

B: Tend to have more slow-twitch muscle fibers.

Step-by-step explanation:

(for Ap3x)

Answer 2

THE CORRECT ANSWER IN MY OPINION IS A