Chapter 3 Flashcards
how far does the atmosphere extend from earths surface
6,000 miles
what % of the atmosphere lies within 16 miles of sea level
98%
how much nitrogen?
78%
how much oxygen?
21%
how much argon?
0.9%
how much carbon dioxide and other gases?
less than 1%
nitrogen
oxygen
argon
permanent gases
water vapor
carbon dioxide
ozone
variable gases
added by decay and burning of organic matter, volcanic eruptions, and chemical breakdown of specific rocks
nitrogen
produced by vegetation
oxygen
removed by certain biological processes and by being washed away in rain or snow
nitrogen
removed by a variety of organic and inorganic processes
oxygen
water in the form of a gas
water vapor
effects heating and cooling processes
water vapor
absorbs infrared radiation helping to warm the lower atmosphere
carbon dioxide