The diagram shows the layers of the atmosphere and the temperature according to altitude.

In the diagram, the layers of the atmosphere are divided into five different regions:

1. Troposphere
2. Stratosphere
3. Mesosphere
4. Thermosphere
5. Exosphere

The temperature of the atmosphere changes with altitude in each layer. In the troposphere, which is the lowest layer, the temperature decreases with altitude. In the stratosphere, the temperature begins to increase with altitude due to the presence of the ozone layer. In the mesosphere, the temperature decreases again with altitude. In the thermosphere, the temperature increases significantly with altitude due to the absorption of solar energy. Finally, in the exosphere, the temperature can reach extremely high levels due to the thin atmosphere and direct exposure to solar radiation.

Overall, the diagram shows how the temperature of the atmosphere changes with altitude in each layer, reflecting the different physical and chemical processes that occur in each region.