Answer:
c
Explanation:
marathon runners tend to have more slow-twitch muscle fibers, while sprinters will have more fast-twitch muscle fibers which allow faster movment but does not last as long while marathon runners have more paced and can last a long time.
What are you even asking XD
I think tall peas are always purebred for tallness
Answer:
workout
Explanation:
working out helps you get fitt