You are presented with the quiz "Ozone depletion causes higher levels of which of the following? " 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "ozone depletion results in higher levels of UV radiation reaching Earth" and "uV radiation causes DNA damage and mutations 3.3". 

So, what's the best answer to the question?


 

     DNA damage and mutations      