DameDolla DameDolla
  • 15-11-2016
  • Chemistry
contestada

Why are the four major divisions of earths history useful?

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MonkeyLover123
MonkeyLover123 MonkeyLover123
  • 15-11-2016
Supereon: Precambrian and "n/a" or not named yet.2. Eon: Hadean, Archean, Proterozoic and Phanerozoic.3. Era: Cryptic (....many others...) Paleozoic, Mesozoic and Cenozoic.Human history is divided into ages; including the Neolithic, Stone, Iron, Bronze, Middle, Industrial and Digital.
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