They are found to be more productive unlike the lazy teens, because they they have a habit of Getting out and exercising.
A:2 if you have no anxiety, you feel better.
B:1 Increasing work productivity will help engage your brain more
C:3 Encouraging yourself will make you feel better about yourself.
The answer is : B. How conditioning determines behavior
Gestalt psychology study how human mindset affecting that human as a whole.
Gestalt psychologist believe that someone who condition themselves with positives mindsets, will generate positive behaviors in overall aspect of their lives. That's why option B. is the most suitable answer
If i’m not wrong the main macronutrients are fats carbs and protein, i don’t know if that’s for teens but those are the main macros
Will do to make its vision a reality