"almost took all of life on Earth along with it" Absolutely false. The Permian extinction was far closer to this, but the K-T event didn't even purge mammalian

"almost took all of life on Earth along with it" Absolutely false. The Permian extinction was far closer to this, but the K-T event didn't even purge mammalian life from North America, let alone "almost all" life in all forms.