Question

reason of big five extinction​

Answer 1

Answer:

But sea-level falls are very probably the result of other events, such as sustained global cooling or the sinking of the mid-ocean ridges. Sea-level falls are associated with most of the mass extinctions, including all of the "Big Five"—End-Ordovician, Late Devonian, End-Permian, End-Triassic, and End-Cretaceous.

Explanation:

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Answer 2

Answer:

100 is the cube is the right answer