Arctic Ozone Hole. The Ozone Layer The ozone layer is a layer in Earth's atmosphere which contains relatively high concentrations of ozone (O3). This layer absorbs 97-99% of the sun's high frequency ultraviolet light, which is potentially damaging to life on earth.
Nettie Stevens: Scientist Extraordinaire and STEM Icon; a Steampunk Feministâs Perspective Nettie Stevens If you want an example of the true grittiness and resourcefulness of the American spirit, you canât go past Nettie Stevens.
The generations of suffragists that had fought for so long proudly entered the political world. Carrie Chapman Catt carried the struggle into voting awareness with the founding of the League of Women Voters. Alice Paul vowed to fight until an Equal Rights Amendment was added to the Constitution.