it involved in the transfer of genetic material from one cell to another.
 
        
             
        
        
        
Answer:
B. Liquid water flowed on its surface
 
        
                    
             
        
        
        
Answer:
Psychiatrist
Explanation:
A psychiatrist is a medical specialist who focuses on mental health issues, such as substance abuse. Psychiatrists are trained to evaluate both the mental and physical components of mental illnesses. I hope this helps and if it does a Brainliest would be nice!
 
        
             
        
        
        
They are biodegradable and non biodegradable <span />
        
             
        
        
        
Answer:
white blood cells destroy body cells infected by a virus or bacteria.