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When did the ordovician period end?
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Mar 28, 2018
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When did the ordovician period end?
Biology
high-school
YasirPoongadan
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It lasted over 45 million years. but the answer is 443.7 million years ago
Sumitsu
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Mar 30, 2018
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the answer is 1573. when you go and subtract how many years minus 2017 it gives you the answer
Aravind A
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Mar 31, 2018
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