If certain light bulbs may cause skin cancer, then exposure to which of the following can cause skin cancer?

Answer choices:
- Gene Rayburn
 - some types of light bulbs
 - bad thoughts
 - Deoxyribonucleicacid
 - water
 - direct damage to the lungs
 - Sulfur dioxide
 - chlorofluorocarbons

 

  some types of light bulbs        