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
        
                    
             
        
        
        
Knee raises work the obliques and hip flexors
Wall sits work the glutes and the core
Lunges work the calves, quads, hamstrings, and back muscles 
Legs lifts work the glutes, and lower abdominal as well as obliques 
Heel raises work your calves 
Steps up work your quads, hamstrings, and glutes
Squats work the glutes, Maximus, minimus
Explanation: I’m a body builder
        
                    
             
        
        
        
Answer:
The infrastructure of development is the ability to help with economic stimulus and improve home life and adapt to the lifestyle. 
 
        
                    
             
        
        
        
Answer:
2,4,5 for vulnerable, 1,3 for not