What Are the Components of the Earth's Atmosphere?

Answer

The Earth is surrounded by an invisible envelope of gas. Planets in the atmosphere Earth image by Photoeyes from Fotolia.com. The Earth is surrounded by layers of air known as the atmosphere. This allows us to breathe high concentrations of oxygen,
source: www.ehow.com
Q&A Related to "What Are the Components of the Earth's Atmosphere..."
The atmosphere,hydrosphere, cryosphere,biosphere,geosphere and pyscosphere.
http://wiki.answers.com/Q/What_are_the_components_...
Major components of the atmosphere: nitrogen, oxygen, and a small
http://www.chacha.com/question/what-is-the-main-co...
Well. The earth is mostly composed of Iron, Oxygen, Silicon, and Magnesium. There's also the Core, Mantle, and Crust, if you want to think of it that way. There's the Terra-sphere
http://answers.yahoo.com/question/index?qid=201206...
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