9. The Aztecs - A Clash of Worlds
Fall of Civilizations Podcast
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The Great Asteroid Impacted the Earth
An asteroid measuring 11 kilometers across impacted the earth's surface right on the coast of southern mexico. The energy released was around 100 million mega tons, or the equivalent of the entire world's nuclear arsenal being detonated all at once. Over half of the plant species in north america were wiped out and for years afterwards, only mushrooms and other fungi could grow. Only small land animals like snakes, lizards and snails survived,. many of them by burrowing into the ground, crawling among the dust and ash of the world's ruins. Were also the small, rat sized mammals from which every person you know to day is ultimately descended.
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