*Ozone*20

Ozone! :Wow! This is great! I want to learn way more about this
 * Ozone is a gas in the atmosphere when three atoms of oxygen combine.
 * There are 3 molecules of ozone for every 10 million air molecules.
 * Ozone is found 6 to 30 miles in our atmosphere.
 * When you breathe in ozone a lot of things could happen, 1. chestpains 2. coughing 3. throat irration.