Answer:
DNA sequences similarity among various organisms may be used to establish evolutionary relationship among living organisms. ... Organisms or animals whose DNA sequences are similar share common evolutionary origin.
Explanation:
 
        
                    
             
        
        
        
Answer:
its c i think hope it helps 
 
        
             
        
        
        
Viruses have both rna and dna
        
             
        
        
        
It is most affected in the surface zone.
 
        
                    
             
        
        
        
Answer:
The correct answer is Thermosphere.
Explanation:
I had the same question before and this was the correct answer.