1. Depletion Of The Ozone Layer
... miles. the spacecraft measures ozone variations at different altitudes and is providing the first complete pictures of upper level chemistry. Because of other measures taken, emissions of ozone-depleting substances are already falling. Assuming continued compliance, stratospheric chlorine levels will peak in a few years and then gradually return to normal. The good news is that the natural ozone production process will heal the ozone layer ... miles. the spacecraft measures ozone variations at different altitudes and is providing the first complete pictures of upper level chemistry. Bec...
- Word Count: 2746
- Approx Pages: 11
- Grade Level: High School