1 which era makes up most of earth history?

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cae...@g.coppellisd.com

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Apr 30, 2013, 12:50:20 AM4/30/13
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McKenna Arras

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Apr 30, 2013, 10:53:21 AM4/30/13
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On Monday, April 29, 2013 11:50:20 PM UTC-5, cae...@g.coppellisd.com wrote:

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