In 2015, James Bristle, a farmer, discovered a nearly complete mammoth skeleton in Chelsea

What factors contributed to the extinction of Megafauna in the Americas? In 2015, James Bristle, a farmer, discovered a nearly complete mammoth skeleton in Chelsea,


 Michigan, which dates back between 11,000 and 15,000 years. The Younger Dryas Impact Theory suggests that a comet or asteroid struck Earth 12,800 years ago, leading to sudden climate cooling that may have contributed to the extinction of megafauna. 



This incident could have resulted in significant environmental changes such as wildfires and the destruction of habitats. Even with this theory, the precise cause of extinction is still under discussion, 



and further investigation is necessary to understand the impact's significance in this ancient extinction narrative.

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