Answer:
All living organisms store genetic information using the same molecules — DNA and RNA. Written in the genetic code of these molecules is compelling evidence of the shared ancestry of all living things. ... Some mammalian genes have also been adopted by viruses and later passed onto other mammalian hosts.
Explanation:
 
        
             
        
        
        
Answer:
The correct answer would be I and III. 
The higher you go, the colder the air gets, which also means that the higher you go, the lower the air temperature becomes.
Let me know if this helps!
 
        
                    
             
        
        
        
A. atom
atoms are described to be the basic unit of a chemical element.
        
             
        
        
        
Answer: comparison of DNA and proteins
Explanation: