babyboo:

Why are muscle and fat levels the only factors influencing flexibility impacted by personal decisions? A. Muscle and fat levels are mostly determined by heredity. B. Age, gender, and joint structure cannot be changed. C. Personal decisions have significant impacts on age and gender. D. Flexibility is not dependent upon muscle and fat levels.

3 months ago
AdiGirl:

that answer would be B... hope it helps....

3 months ago
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