Ozone – a Poisonous Gas That’s Necessary for LifeOzone – a Poisonous Gas That’s Necessary for Life
<p style="text-align:center"></p> <p>Ozone stinks. People who breathe it gag as their lungs burn. The EPA classifies ground-level ozone as air pollution.</p> <p>Yet without it, life on Earth would be impossible.</p> <p>A