Convection currents, C! The plates move in a cycle called a convection cell that forms when warm material rise, cool, and even sink.
        
             
        
        
        
Answer:
the billions of cells that originate from one parent cell
Explanation:
 
        
             
        
        
        
<span>A. Keynote address
In the Keynote address is most likely a world-famous surgeon would give his/her speech in order to motivate, inspire and challenge pursing scientists and medical professionals in their pursuit of their successful career and the like endeavors. </span>
        
                    
             
        
        
        
Answer:
b
Explanation:
because the answer is obvious 
 
        
             
        
        
        
Yes because you have a smaller population