I would say that the answer is either atrophy or muscular dystrophy...
Having a healthy, balanced diet certainly helps with physical fitness,
while eating fast food and junk food affects it negatively
Answer: In a T-chart you show more than one cause while using a star chart you use only one cause.
Explanation:
The question is "Describe how T-charts and Star Charts can be used to organize information into cause-and-effect relationships." So I described it merry Christmas