You are presented with the question "what does ultraviolet light cause?" and the following answer choices: 
- purple haze
 - Something whose growth is discouraged by heavy wet soils
 - Something that can be converted to kinetic and heat energy by a motor
 - freezing
 - skin redness and pain, possible swelling, blisters, fever, headaches
 - water vapor rising into colder regions of the atmosphere and condensing
 - loud sounds
 - Something that take eight minutes to travel to the Earth

Now knowing that ultraviolet light causes sunburn and sunburn symptoms are skin redness and pain, possible swelling, blisters, fever, headaches, choose the best answer.


 

     skin redness and pain, possible swelling, blisters, fever, headaches    