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aug 6, 434 BC - ордовикско-силурийское вымирание - в результате которого исчезло около 60 % видов существовавших в ордовике морских организмов.

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Водопьянова Олеся ЭБ17-02Б

ByОлеся Водопьянова
28 Oct 2018
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aug 6, 434 BC
Now
~ 2461 years ago
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