Your answer is D. "Measuring the angle at which a gymnast’s body bends during an aerial flip"
Answer:
1 Running slashes your risk of heart disease. ...
2 It also burns calories like crazy. ...
3 Running strengthens your joints. ...
4 It relieves stress. ...
5 It keeps your peepers healthy, too. ...
6 Running improves your follow-through
Explanation:
hope this helps
I think b. and d. could be the answer