User:Milton Beychok/Sandbox: Difference between revisions
Jump to navigation
Jump to search
imported>Milton Beychok No edit summary |
imported>Milton Beychok No edit summary |
||
Line 1: | Line 1: | ||
{{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>). |