Across
- 5. the transfer of thermal energy by movement of a fluid
- 7. evaporation of water from the leaves of a plant
- 8. air pollution that forms from the interaction between chemicals in the air and sunlight
- 10. the second-lowest layer of earth´s atmosphere
- 12. the outer layer of the thermosphere
Down
- 1. a colorless, odorless,and poisonous gas
- 2. gas to liquid, forms clouds
- 3. the most abundant gas in the atmosphere
- 4. water in the form of a gas
- 6. the outermost layer of the atmosphere
- 9. the layer of gases that surrounds earth
- 11. combo of smoke and fog