The mass extinction that was most likely caused by the formation and retreat of glaciers was the _____ extinction.

Cretaceous-Tertiary

End Triassic

Permian-Triassic

Late Devonian

Ordovician-Silurian

Verified Answer :

The answer is Ordovician-Silurian.

The mass extinction thaw was most likely caused by the extinction that was most likely caused by the formation and retreat of glacier was the Ordovician-Silurian extinction. It is the second largest among the five major extinction events.

Question: The mass extinction that was most likely caused by the formation and retreat of glaciers was the _____?


Answer: Ordovician-Silurian