Deprecate is a wonderful word in the area of scientic

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Unformatted text preview: Eras of the Phanerozoic Eon:    Cenozoic < Greek {καιν(ο)} = {cen(o)} = new; the period of new life.    Mesozoic < Greek {μεσ(ο)} = {mes(o)} = middle; the period of middle life.    Paleozoic < Greek {παλαι(ο)} = {pale(o)} = old; the period of old life The Cenozoic Era    The Periods    The Mesozoic used to be called the “secondary period.”    Naturally enough, the periods afterwards were called:    The Tertiary Period (< Latin {terti} = third}    The Quarternary Period...
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