1. Depletion Of The Ozone Layer
... in altitude. All human activities take place in the troposphere. The next layer, the stratosphere, continues from 10 to 50 kilometers. Most commercial airline traffic occurs in the power part of the stratosphere. Most atmospheric ozone is concentrated in a layer in the stratosphere, about 15 to 30 kilometers above the Earth's surface. Ozone is a molecule containing three oxygen atoms. It ... location to location. In some regions the layer disappears for weeks and then returns. This depletion of the ozone layer occurs because of the harsh reaction of CFCs on the atmosphere. CFCs were once...
- Word Count: 2746
- Approx Pages: 11
- Grade Level: High School