Aids/ HIV 
Cancer
The only thing that is a great weekend too many
        
             
        
        
        
determined by genetic factors and therefore able to be passed on from parents to their offspring or descendants.
 
        
             
        
        
        
3 (I think, sorry if it’s wrong)
        
             
        
        
        
The answer to this question would be D.) Permafrost prevents penetration of deep roots.
Hope this helped!
 
        
                    
             
        
        
        
Answer:
Respiration...................