Ur answer is d bc that’s makes it uncertain and difficult to accomplish
For youth it's 35 feet for older its 40 feet
Answer:
bone density.
Explanation:
I used precess of elimination. U cannot improve the bone density by working out. You can improve your cardiorespiratory fitness by doing cardio, e.g. cycling, swimming, running etc. You can improve muscular strength by working out, e.g. push up, sit ups, etc. you can also become more.flexible by expanding ur muscles and tissues.
Because it will kill them because of a chemical found in chocolate
