Question

The deadliest of all mass extinctions, which killed off 95% of all living organisms, was the _____?

A).Cretaceous-Tertiary
B).End Triassic
C).Permian-Triassic
D).Late Devonian
E).Ordovician-Silurian

Answer 1

C) permian-triassic

Step-by-step explanation:

Answer 2

By the end of the Paleozoic era, the continents started to split up into the places that we know them today. At the end of the Paleozoic era, there was mass extinction on Pangaea, and it took almost 30 million years for the Earth to recover. When the mass-exitinction occurred, the Earth was in the Permian-Triassic period of the Paleozoic Era.