English Extinction event Cited by user Anteosaurus magnificus on 12 Jan 2023 An extinction event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the biodiversity on Earth.
English Permian–Triassic extinction event Cited by user Anteosaurus magnificus on 20 Dec 2022 The Permian–Triassic (P–T, P–Tr) extinction event, also known as the Latest Permian extinction event, the End-Permian Extinction and colloquially as the Great Dying…
English Norilsk Nickel Cited by user Citation bot on 06 May 2022 Norilsk Nickel, or Nornickel, is a Russian nickel and palladium mining and smelting company.