Did the dinosaurs die immediately after the asteroid impact?

I was looking into how the dinosaurs went extinct, and I was curious as to how they went extinct. Its obvious knowledge that it was the asteroid impac

I was looking into how the dinosaurs went extinct, and I was curious as to how they went extinct. It's obvious knowledge that it was the asteroid impact, but did they ALL go extinct? Or did the world just get covered by cloud, went cold, and lead to the death of the other dinosaurs? Thanks.

or:I was looking into how the dinosaurs went extinct, and I was curious as to how they went extinct. It's obvious knowledge that it was the asteroid impact, but did they ALL go extinct? Or did the world just get covered by cloud, went cold, and lead to the death of the other dinosaurs? Thanks.

or:It is not \"obvious knowledge\

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