Faber gives Montag a seashell radio-like device in order to overhear Montag's conversations with Captain Beatty, so he can instruct him with what to say. Faber considers himself a coward.
        
             
        
        
        
Hello!
A) the setting is extreme but natural, therefore realistic because places like that can actually exist in the real world. Hope you get it right and sorry for the late answer.
Good luck!
~ Destiny ^_^
 
        
             
        
        
        
It could be plausible because that is a synonym for credible and means seeming reasonable
        
                    
             
        
        
        
its possible!! read alot of english book, watch alot of english movies with the subtiltle of your language or get a english turtering or just go to english websites!