kparsons kparsons
  • 13-09-2017
  • Biology
contestada

When did the ordovician period end?

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meziahacanady01 meziahacanady01
  • 13-09-2017
the answer is 1573. when you go and subtract how many years minus 2017 it gives you the answer

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mel0000
mel0000 mel0000
  • 13-09-2017
It lasted over 45 million years. but the answer is 443.7 million years ago
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