Answer:
21
Explanation:
there are supposed to be 2 chromosomes, not 3. This person has down syndrome.
 
        
             
        
        
        
Answer: almost imposiable
Explanation: If you do happen to get picked up a tornado the longest time you will stay in it is approximately 5 minutes before it throws you out of it. If you did so happen to be swept in a tornado near a island it is possiable, but tornados over water die very very fast so this is very unlikley. 
Hope this helps
 
        
                    
             
        
        
        
The clivage furrow forms, the chromosomes are on either side of the cell
        
                    
             
        
        
        
Explanation:
they are all related to CO2 in a way