 |
| where all weather takes place; it is the region of rising and falling packets of air |
| Troposphere |
| the layer of Earth's atmosphere |
| Stratosphere |
| the part of the earth's atmosphere in which ionization of atmospheric gases affects the propagation of radio waves |
| Ionosphere |
| the part of the earth's atmosphere between the stratosphere and the thermosphere in which temperature decreases |
| Mesosphere |