One of the factor is the Sun's elevation where the UV reaches us at a much lower frequency when the sun is more distant. Next is our ozone, with our ozone depleting as time goes by, the amount of solar energy it can diffuse is much lesser thus the heat is much more than the previous decades.
        
                    
             
        
        
        
Answer:
genes containing dna. 
Explanation:
during reproduction genes containing dna, are passed along to an organisms offspring. these genes ensure that the offspring will belong to the same species. 
 
        
             
        
        
        
Answer:
D.ACGGCATATCGTACGT
Explanation:
D because ACGGCATATCGTACGT the A in between the 2 t's was added
 
        
                    
             
        
        
        
Answer:A 
Explanation:Ice on the leg for 20 minutes has no effect on the prevention of DVT