Fact 1: Ozone depletion results in higher levels of UV radiation reaching Earth.

Fact 2: Children are most at risk for overexposure to UV radiation.

Given the two facts above, answer the question "what puts children at risk?" with the following options: 
- birth
 - respiration
 - h2o
 - Pollution
 - Leptospirosis
 - massive damage
 - ozone depletion
 - Allergies


 

       ozone depletion  