Answer: C)Wear a pack that does not interfere with your center of gravity and stride in ways that minimize muscle tension.
Explanation:
It could be the fact that she is an athlete and since she works out a lot her muscles grow and get heavier and there for her weighing more then her sister since she does not work out as much as her sister does
Answer:
I need to get more information to answer this. Where is the selection this question goes with?
