B4 2020 Gullickson

2. warming when solar radiation is trapped by the atmosphere.
4. a substance that pollutes something
6. a form of air pollution caused by burning fossil fuels.
7. rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes.
10. this is melting because of global warming
13. a low density gas that use is usually in the upper atmosphere
15. is a result of earth air drastically heating up
16. the amount of water vapor in the air
17. the most abundant gas
21. a greenhouse gas that hold the most heat and cows and other farming animals produce it
22. the outer part of the atmosphere
24. height above sea level or the earth's surface
25. the lowest layer of the atmosphere in which temperature decreases at a constant rate as altitude increases
27. the process of cutting down trees and forests

1. the main greenhouse gas in our atmosphere
3. a term for a gas formed in the geological past from the remains of living organisms.
5. a mixture of gases that surrounds Earth
8. the transfer of heat energy by the movement of molecules from one place to another through a liquid or gas.
9. The middle layer of Earth’s atmosphere where most meteoroids burn up.
11. the layer of the atmosphere that is above the troposphere and in which temperature increases as altitude increases
12. the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects mainly by human activity
14. the most abundant greenhouse gas in your atmosphere
18. a thin part of the Earth's atmosphere that absorbs almost all of the sun's harmful ultraviolet light.
19. the least abundant greenhouse gas out of the main three
20. The measure of the force with which air molecules push on a surface
23. high-speed air in the atmosphere, found in the stratosphere. It affects air masses and affects aircraft by speeding or slowing their path
26. the most vital gas that is used for human life