You are presented with the question "The depletion of what results in higher levels of UV radiation reaching Earth?" and the following answer choices: 
- O3
 - O2
 - oil
 - pan
 - h2o
 - CO2
 - DNA
 - DDT

Now knowing that ozone depletion results in higher levels of UV radiation reaching Earth and ozone is represented chemically as O3, choose the best answer.


 

 O3        