The answer is 3.
because his audience was probably mostly christian so if he uses something from the bible he has a more chance of wining them over.
        
                    
             
        
        
        
Without a subject and a verb
        
                    
             
        
        
        
Erosion is the process of eroding or being eroded by wind, water, or other natural agents.
Carving is eroding a rock or other element to create an art.
        
             
        
        
        
C. cause i got it wrong from the person in the comments