Fact 1: Ultraviolet light causes sunburn.

Fact 2: Furthermore, sunburn can cause premature aging and skin cancers.

Given the two facts above, answer the question "What can ultraviolet light cause?" with the following options: 
- chemical changes
 - Cold skin
 - killing insects
 - Healthy skin
 - disease
 - Skin cancer
 - symptoms
 - Low temperatures


 

      Skin cancer   