Answer:
2
Explanation:
Fats are the slowest source of energy but the most energy-efficient form of food. Each gram of fat supplies the body with about 9 calories, more than twice that supplied by proteins or carbohydrates.
Have a great day <3
 
        
             
        
        
        
Answer:
according to Byjus;"Displacement is defined as the change in position of an object. It is represented as an arrow that points from the starting position to the final position"
Explanation:
hope this is helpful
 
        
             
        
        
        
The 3rd one is the answer
        
             
        
        
        
Carbon dioxide is a compound.
        
             
        
        
        
Standard deviation, really hope this helps you out :)