I’m not a hundred percent sure, but off intuition I would say 
Check the scene for hazardous conditions 
Call EMS with information about the accident.
Check the vital signs of the patient
Administer first aid
        
             
        
        
        
D. Procrastination - to delay or postpone an action or activity.
        
                    
             
        
        
        
Vitamin D, also known as calciferol
        
             
        
        
        
I believe the answer would be C. Hope that helped!! :)
        
             
        
        
        
Explanation:
total medal fat can be used to determine body mass percentage