Question

Marathon runners

a) can run only one or two marathons a year
b) tend to have more slow twitch muscle fibers
c) are always very thin
d) only eat carbohydrates

Answer 1

The last answer was wrong it is b) tend to have more slow twitch muscle fibers.

Step-by-step explanation:

Answer 2

The correct answer is A.can only run one or two marathons a year. The reason behind this is running more than 2 is hard on the body and mind. It increases risk of injury and can slow your times for your end result.