The heat from hotter object goes to the cooler object. when they reach the same temperature the heat flow will stop.
        
                    
             
        
        
        
Alternative ways of representing nucleic acid chains, in this case a single strand of DNA containing only three bases: cytosine (C), adenine (A), and guanine (G). ... This structural difference is critical to the different functions of the two types of nucleic acids.
 
        
                    
             
        
        
        
The inner planets are made of rocks while the outer planets are composed of gas.
The inner planets are closer to Sun and are small in size while the outer planets are far away from sun and are larger in size
        
             
        
        
        
Answer:
B
Explanation:
It plays an important role in how the body uses carbohydrates and fats. It is also needed for the body to make protein for the growth, maintenance, and repair of cells and tissues. Phosphorus also helps the body make ATP, a molecule the body uses to store energy. Phosphorus works with the B vitamins.
 
        
             
        
        
        
<span>The circulatory, immune, skeletal, excretory, muscular, endocrine, digestive, nervous and respiratory.  those are the eight systems of the human body.</span>