Respuesta :
The answer to your question is C. increased bone density - there are different ways to increase bone density, lifting weights or using weight machines,and jump rope are one of the few ways we can build up our bones in order to keep it strong.
Increased bone density is the choice among the following choices that will most likely be the result of Sam's efforts. The correct option among all the options that are given in the question is the third option or option "C". Sam also increases the bone strength by doing these exercises. I hope the answer helps you.