A cell is the smallest LIVING unit in a body. An atom is the smallest "nonliving" unit.
        
             
        
        
        
Answer:
Lividity
Explanation:
This makes the most sense to me.
Good Luck!
 
        
                    
             
        
        
        
Hi!
Reactants<span> are substances that start a chemical reaction, and </span>products<span> are substances that are produced in the reaction.</span>