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Paper 1Theory3 marks
Understanding the atmosphere's structure and composition is essential for studying environmental processes.
Diagram Description
Layers of the Atmosphere
A diagram shows the Earth's atmosphere divided into four layers: Troposphere (lowest), Stratosphere, Mesosphere, and Thermosphere (highest). The ozone layer is marked within the stratosphere. The main gases listed are nitrogen, oxygen, carbon dioxide, argon, and water vapor.
| Layer | Description |
|---|---|
| Troposphere | Lowest layer where weather occurs |
| Stratosphere | Contains the ozone layer |
| Mesosphere | Meteors burn up here |
| Thermosphere | Outermost layer with high temperatures |
- a[3]
Describe the main characteristics of the troposphere and stratosphere.
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