You are presented with the question "What increases the risk of getting skin cancer?" and the following answer choices: 
- Ozone depletion.
 - cigarettes
 - smoking tobacco
 - adding heat
 - electromagnetic energy
 - smoking pipes
 - rays or beams
 - wavelengths and photons

Now knowing that ozone depletion results in higher levels of UV radiation reaching Earth and uV radiation increases the risk of getting skin cancer, choose the best answer.


 

 Ozone depletion.        