vacab words

2. a mixture of gases that surrounds a planet or moon
5. process by which in a fluid being heated
7. concentration of trade subtances such as carbon monoxide
10. the upper most layer of the atmosphere.
11. the change from a gas to a liquid
12. generally brings clear skies and clam air or gentel breeze
14. uniform grayish clouds that often cover the entire sky.
15. the lowest layer of earths atmosphere.
16. a frequently windless area hear the equator
17. a boundary between air masses that don't move possibly causing rain for several days
18. dark low-level accompanied light to moderately falling precipitation

1. larger clouds that often produce thunderstorms
2. rain with a slightly lower PH than regular rain water.
3. locates near the polors
4. winds that mostly effect the weather in the us and located between 30 and 60 degrees latitude
6. describing a warm moist air mass
8. the front of an advancing mass of warmer air
9. a weather system that brings cloudiness and stormy weather
11. a front where cold air moves in under a warmer air mass
13. global winds that flow towards the equator