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How Did The Asteroid Wipe Out The Dinosaurs?

January 24, 2024 by Diane Mitchell

How Did The Asteroid Wipe Out The Dinosaurs? The dust is all that remains of the 7-mile-wide asteroid that slammed into the planet millions of years ago, triggering the extinction of 75% of life on Earth, including all nonavian dinosaurs. … A section of rock core pulled from the crater left by the asteroid impact

What Are The 6 Major Extinctions?

January 24, 2024 by Diane Mitchell

What Are The 6 Major Extinctions? Sea-level falls are associated with most of the mass extinctions, including all of the “Big Five”—End-Ordovician, Late Devonian What are the 7 mass extinctions? In order, these extinctions are known as the Ordovician (443 million years ago), the Late Devonian (372 million years ago), the Permian (252 million years