A/B4 2021 Artus

2. precipitation forming when gas emissions combine with water
4. The middle layer of Earth’s atmosphere where most meteoroids burn up.
5. A form of energy given off by light with wavelengths that are shorter than visible light
7. removal of trees
12. a form of oxygen gas, absorbs ultraviolet rays form the sun and then releases some of this energy in the form of heat.
15. thin layer of gases that forms a protective layer around the Earth
17. The phenomenon whereby the earth's atmosphere traps solar radiation, caused by the presence in the atmosphere of gases such as carbon dioxide, water vapor, and methane.
18. A layer of a special kind of oxygen (ozone = O3) found in the stratosphere that protects life on Earth from the sun’s harmful ultraviolet rays.
19. The lowest layer of the atmosphere, in which temperature decreases at a constant rate as altitude increases
20. to an area of lower pressure.

1. A gradual increase in average global temperature.
3. a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
6. Horizontal movement of air from an area of high
8. the layer of the atmosphere that is above the troposphere and in which temperature increases as altitude increases
9. Transfer of thermal energy by circulation or movement of a liquid or gas.
10. The average amount of energy from the motion of the molecules of a substance.
11. height above sea level or the earth's surface
13. most abundant gas in the atmosphere
14. pollution of the atmosphere
16. a colorless odorless gas used as a fuel