Ozone depletion results in higher levels of UV radiation reaching Earth, and uV radiation increases the risk of getting skin cancer. Given these facts, what increases the risk of getting skin cancer among the following options:
- Ozone depletion.
 - cigarettes
 - smoking tobacco
 - adding heat
 - electromagnetic energy
 - smoking pipes
 - rays or beams
 - wavelengths and photons


 

 Ozone depletion.        