Answer:
A
Explanation:
This seems like the best answer. Let me break it down for you:
Stamina is the ability to sustain prolonged physical or mental effort.
Regularity and Specificity just refer to how much you do and what you do.
Overload and Progression refers to if your doing too much and at what rate.
I'm pretty sure it is physical and mental development
Answer:
keep their heart and lungs strong and healthy,
become more flexible,
develop strong bones,
keep a healthy body weight,
lower the risk of several diseases and health problems,
improve their mood and self-esteem, and
do better in school
Hope this helped have an amazing day!
No i do not think the drug was effective enough