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______ years ago, nearly 75-80% of all species of life on Earth were wiped out in an incredibly short period of time.

2 Answers

3 votes
millions i think

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User Miao Wang
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4 votes

Answer:

Sixty-five million years ago

Step-by-step explanation:

The Cretaceous Mass Extinction occurred nearly sixty-five million years ago. It is supposed to be caused by asteroids. The Cretaceous mass extinction resulted in the extinction of many marine organisms as well as all the dinosaurs that flourished during the Jurassic period. In addition to these animal species, the existing plant species, as well as amniotes, also disappeared in a relatively short period of time.

User Celion
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