They take off all their feathers...
GAVE ME THE BRAINLIEST IF MY ANSWER WAS HELPFUL...
 
        
             
        
        
        
Answer:
The difference between the two is that one participate in progressive while The other doesn't
 
        
             
        
        
        
I would say A, that seems like the best answer! :)
        
             
        
        
        
Answer:
The answer is ineffective since it doesn't describe what the field is or what the writer specifically did in that field.