Which of the following is true? A. By the time you reach your 20's, your bones will reach their maximum strength. B. It is important that children get enough calcium and vitamin D to prevent osteoporosis. C. Most kids oroduce enough vitamin d. D. All of the above

It is all of the above, all of these statements are true! Every single one actually. I hope that this helps you, and that you have a great rest of your day! Your answer would be D

Explanation:

i believe the answer is a

the maintenance of fluid balance during exercise. author information: fluid supplementation is necessary for exercise in which fluid losses must be offset by intake to avoid the negative effects of hypohydration on health and performance.