two possible causes of K-T mass extinction

try to finish what im wirting


write an extended paper of 1000-1200 words examining two different theories on the possible causes of the Cretaceous-Tertiary (K-T) mass extinction.

Address interpretation of geologic records and how that affects the theories.

In the paper includes a brief summary (… ) about one of the mass extinction theories using an article from a reliable source.

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