Answer:
Chlorosis is the yellowing of leafs due to lack of chlorophyll. It can affect any part of the plant that would have normally have chlorophyll. Its caused by damage or compacted roots, and many other things.
 
        
                    
             
        
        
        
The correct option is C.
Science is a dynamic subject and it changes all the time. In the science field, research is always on going and when new evidence are discovered about a particular topic, the new evidence are usually used to update the scientific information that is already on ground. All the areas of science listed about have enjoyed scientific updates in the recent past.
        
                    
             
        
        
        
Answer:
C reproductive cells ( sex cells) 
 
        
             
        
        
        
Regulation- the process of the blood sugar becoming regulated by insulin (glucose).