alyssagibson909 alyssagibson909
  • 23-06-2018
  • Biology
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The oldest rocks and minerals on earth's surface have been found in canada and australia and are from the:

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wardjason1125
wardjason1125 wardjason1125
  • 28-06-2018
The time period was called the Hadean Eon, and the rocks themselves are nearly 4.4 billion years old
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