Answer:
activate memory cells is lymphocytes
engulf and digest pathogens is phagocytes
and produce antibodies is lymphocytes
Explanation:
 
        
             
        
        
        
The water will move out of the fish by osmosis  due to existence of concentration gradient .
        
                    
             
        
        
        
I think it is control group
        
                    
             
        
        
        
The best and most correct answer among the choices provided by your question is the third choice or letter C.
When xylem and phloem gets destroyed, the roots will not be able to transport minerals and water.
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