Answer:
Something you say but you don't really mean what your saying it is just to give the feeling of what you are saying.
Explanation:
Example ( I Am As Blind As A Bat )
Hope This Helped 
 
        
             
        
        
        
Supporting Details are pieces of proof, evidnece, or otherwise 'backing up' the main statement in a paragraph.
        
                    
             
        
        
        
Answer:
I think -The two words are antonyms.
Explanation:
because they are opposite from eachother 
mammal- reptile
hope this helps