You are presented with the quiz "Where do higher levels of UV radiation reach Earth through?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "ozone depletion results in higher levels of UV radiation reaching Earth" and "fast Facts 1985 Scientists discover a hole in the ozone layer of the atmosphere over Antarctica". 

So, what's the best answer to the question?


 

   atmospheric holes        