You are presented with the question "what puts children at risk?" and the following answer choices: 
- birth
 - respiration
 - h2o
 - Pollution
 - Leptospirosis
 - massive damage
 - ozone depletion
 - Allergies

Now knowing that ozone depletion results in higher levels of UV radiation reaching Earth and children are most at risk for overexposure to UV radiation, choose the best answer.


 

       ozone depletion  