Why do people who participate in marathons tend to have smaller muscles? A.

Lifting weights provides no benefits for them.
B.

Muscle endurance is more important for them than muscle strength.
C.

Continuous running burns glucose and fat.
D.

They participate in a sport more suited to their body type.

F

Muscle endurance is more important for them than muscle strength.

Explanation:

They need to go a long distance so they don't need to be able to move the most mass a certain distance they just need to move themselves a long distance.

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