Answer:
Your question is poorly written, but as far as what was read the best thing would be a longitudinal study since you could see the evolution over time of the twins.
Explanation:
Longitudinal studies, unlike cross-sectional studies, are studies that analyze a factor in a population over time, thus analyzing the possible variables that occurred in those years, months or days. In simple words, the evolution over time is what a longitudinal study is based on (On the other hand, not a transversal one, since it would investigate a specific problem at a specific moment in time)
B. Progressive overloading ... because progressive overloading is the gradual increase of stress that is placed on the body during exercise training.
I believe its
D.
C.
A.
honestly not sure though
Proactive. — creating or controlling a situation by causing something to happen rather than responding to it after it has happened.
I believe the term you are looking for is precision. I hope this helps!
