2. World pressure belts

2. World pressure belts   The following video explains the animation below  


1. Composition and structure of the atmosphere

1. Importance of the atmosphere. 2. The composition and structure of the atmosphere: troposphere, stratosphere, mesosphere and thermosphere. 3. The ozone layer – in the stratosphere. 4. Causes and effects of ozone depletion. 5. Ways to reduce ozone depletion.