Answer:
the answer would be B. Digestive system, Muscular system, endocrine system, nervous system
 
        
             
        
        
        
Nut is to shell as pea is to pod
        
                    
             
        
        
        
If we all had the same DNA that would mean we would all be the same, no differences <span />
        
             
        
        
        
16 percent of the world's population and 50 percent of the Christians population.
        
             
        
        
        
An ionic bond results in an exchange or transfer of electrons between the 2 different types of atoms, most likely the metal atom and nonmetal one. 
For example the compound NaF is held together by electrostatic forces of positive and negative charges due to the transfer of electrons from the sodium to fluoride atom.