If ozone depletion results in higher levels of uv radiation reaching the place birds and trees live, then what results in higher levels of uv radiation reaching the place birds and trees live?

Answer choices:
- emissions
 - earthquakes
 - oxidation reaction
 - ozone depletion
 - global warming
 - important habitats
 - fairies
 - the ozone layer strengthening

 

    ozone depletion      