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The deadliest of all mass extinctions, which killed 95% of all living organisms, was the • Cretaceous-Tertiary • End Triassic Jo • Permian-Triassic • Late Devonian • Ordovician-Silurian
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The deadliest of all mass extinctions, which killed 95% of all living organisms, was the

• Cretaceous-Tertiary
•
End Triassic
Jo
•
Permian-Triassic
•
Late Devonian
• Ordovician-Silurian

User Ingimar Andresson
by
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1 Answer

7 votes

Permian-Triassic is the answer

User Dekel
by
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