Virus are of simple structure 
        
             
        
        
        
Answer:
I'm sorry. I wanted to try and answer the question but I can't because it isn't clear. 
 
        
             
        
        
        
We group artworks with similar characteristics into periods or styles because it is easiest to do it that way - this way we can find common characteristics in these literary/artistic eras, and name them. For example, the Renaissance had a distinct style, which differs greatly from that of Romanticism. 
        
                    
             
        
        
        
Answer:
a: solution 2 is more diluted
Explanation:
 
        
                    
             
        
        
        
Answer:
C
Explanation:
Bulls are a more extreme version of a cow. A cow is like a mother who cares for her children while a bull is like a rowdy person who does weird and unpredictable things at times. That's why when people hear the word wild cow, they don't usually get frightened but when they hear the word wild bull, they kind of get afraid.