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:
Enzymes unwind the DNA molecule into two strands.
Explanation:
I just took the quiz and it was correct 
 
        
             
        
        
        
In 1970 only about 20% of Psychology majors were women. In recent polls women now make up just over 70% of psychology majors. I would say the answer is False.
        
                    
             
        
        
        
Answer:
c is just wrong because that is not how evolution works evolution is a small change in the DNA that takes a long time through many many generations not just as you or an organism get older and smarter you are not evolving