ARCHEAN
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There are 3 entries related to ARCHEAN in the AudioEnglish.net dictionary.
The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life (this entry has two senses; see the dictionary for the second meaning).
The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
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