"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.
The action of leading a group of people or an organization
Kids and teens age 12-18 should limit their intake to 100 mg per day. The American Academy of Pediatrics recommends that children younger than 12 should not consume caffeine at all.
Absolutely, many were in my theatre
