C. skipping meals put your body into starvation mode and slows down your metabolism
The anwer is A which is Sandra should give are workout more variety by either uttering the exercises,intensity,or volume of work
stop smoking and stay away from smoke
avoid indoor and outdoor air pollution
"Measuring the angle at which a gymnast’s body bends during an aerial flip" is the one data-gathering activity among the choices given in the question that would be useful for a biomechanics analysis. The correct option among all the options that are given in the question is the fourth option or the last optional.
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