Answer:
Internal is any internal thoughts.
Explanation:
Robin's internal listening distraction would be her own thoughts about her chemistry exam. 
 
        
             
        
        
        
The answer is C. 480 BC - 146 BC
        
             
        
        
        
Answer:
change of one season to ther like summer to winter is called season change 
Explanation:
the change from winter to spring, spring to summer, etc.
 
        
             
        
        
        
The Electoral College consists of 538 electors. A majority of 270 electoral votes is required to elect the President.