I wish you added the diagram but I can tell that the long strings are the spindle fibres.
 
        
                    
             
        
        
        
Answer:
The answer is A. Invented SCUBA
Explanation:
- Emile Gagnan and Jacques Cousteau were engineers who invented the first SCUBA device, the Aqua-Lung. 
- Gagnan's most important contribution to this discovery was his theory that a valve commonly used in gas generator engines would be useful in regulating air supply under water in varying pressures.
 
        
             
        
        
        
A. They do not exhibit contact inhibitors
B. They lack specialization
<span>C. They have abnormal chromosomes </span>
<span>D. They fail to undergo apoptosis</span><span>
A normal, typical and functional cell undergoes cell cycle in normal fashion and eventually reaches apoptosis. Yet cancer cells fail to display just some of these characteristics.
</span><span>The cycle cycle; mitosis occurs more in your body since it changes, modifies and requires cell division at maximum rate in many useful situations with the stand to a particular system and organ. </span>