According to the book The World Without Us, the changes to the earth would be ____ and some would be ____ within just a few hours. Lights around the world would ____ off without humans working at ____ stations to keep them ____. Some forms of power like hydroelectric solar and wind ____ would last longer but, eventually, they would ____ and break ____ too after two or three days. The subway system in cities like New York would already be ____ and sewers would be ____ a month or so later. The emergency generators that help cool down ____ reactors would ____ leading to ____ nuclear meltdowns all around the world. It would take about a year before ____ of satellites orbiting the planet would come ____ down and ____ up in the atmosphere in just two years or so. Rats and ____ would die off in cities with cold climates since humans would no longer provide warmth and ____. In just 20 or 30 years desert cities like Las Vegas would be the first to get ____ up by mother nature. Within a couple hundred years bridges ____ and tall ____ would begin to corrode and ____. After about 300 years large land and sea animals like whales would begin to ____ without human ____ and their ____ numbers would ____ within 500 years. The forest would ____ suburban neighborhoods and after a thousand years or so large cities would be ____ overgrown with ____. 10 000 years later the only evidence of human ____ left on earth would be giant eroded structures made of ____: the Pyramids, the Great Wall of China and Mount Rushmore, to name a few. The absolute longest lasting ____ of human existence would be in space. The Voyager 1 Spacecraft carrying a ____ record full of messages and greetings from Earth travels farther and farther into space every day and should ____ the next billion years

What Would Happen if Humans Disappeared? | COLOSSAL QUESTIONS

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