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Our most recent mass extension happened about 65million years ago. Describe the effects of this event.

User Paqash
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To explain what caused this mass extinction, scientists have focused on events that would have altered our planet's climate in dramatic, powerful ways. The leading theory is that a huge asteroid or comet slammed into Earth 65 million years ago, blocking sunlight, changing the climate and setting off global wildfires.

User Lealceldeiro
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