Sofia7899 Sofia7899

10-01-2015
Biology

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Why can scientists not always divide a period into epochs

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BeautyByNonocha BeautyByNonocha

10-01-2015

Too little is known about pre-Archean time, from the origin of Earth to 3.8 billion years ago, to divide that period into units.

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ridgewayc66 ridgewayc66

10-01-2015

Too little is known about pre-Archean time, from the origin of Earth to 3.8 billion years ago, to divide that period into units.

Answer Link

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