Directions: Identify whether the given description pertains to Troposphere, Stratosphere, Mesosphere, Thermosphere, or Exosphere.

1. Radio and television satellites are found in this region.

2. It is the layer of air that extends to about 50km from Earth's surface

3. It is the layer closest to the surface of the Earth.

4. The troposphere is at the bottom layer of the atmosphere.

5. Weather occurs in this layer because this is where a greater percentage of the air mass is located.

6. It is the coldest atmospheric layer.

7. The ozone layer is found in this layer.

8. This layer contains most of the water vapor in the atmosphere

9. Air in this layer is very thin and cold.

10. The temperature at the lower part is constant but increases rapidly once getting closer to the ozone layer.

11. The layer between 50 km and 80 km above the Earth's surface.

12. Space shuttles fly in this area, and it is also where the auroras are found.

13. The upper limit of our atmosphere.

14. This layer of the atmosphere merges into space.

15. Very little water vapor is present in this layer.​