User:Milton Beychok/Sandbox: Difference between revisions

Revision as of 21:37, 10 March 2010

For more information, see: Earth's atmosphere.

Air is that part of Earth's atmosphere that humans and all other mammals breathe. It is a colorless, odorless and tasteless mixture of gases consisting mostly of nitrogen (N₂) and oxygen(O₂).

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		{{main\|Earth's atmosphere}}

		'''Air''' is that part of [[Earth's atmosphere]] that [[human]]s and all other [[mammal]]s breathe. It is a colorless, odorless and tasteless mixture of [[gas]]es consisting mostly of [[nitrogen]] (N<sub>2</sub>) and [[oxygen]](O<sub>2</sub>).