Answer:
George Washington is the first president 
 
        
             
        
        
        
Rocks? not quite sure about this one but good luck and hope this helps! :)
        
                    
             
        
        
        
Answer:
Bacteria
Explanation:
All bacteria are microscopic (approx. 1 µm - 5 µms in size) and not visible with the n.aked eye. A microscope is needed to view them.
 
        
             
        
        
        
It eats away you muscle but your body makes it better 
        
             
        
        
        
The answer is D. Hope it helped. :)