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dinosaurs

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  • Dude where are the dinosaurs?? I only see them in movies.
  • HAHAHAHAH!! You don't know where the dinosaurs are??!!
  • Dinosaurs are creatures that got extinct before millions of years. 
  • Wait REALLY???!
  • Let's go search it up.
  • I think I once saw a theory about their disappearance. It is the Alvarez theory.
  • Luis Alvarez Theory The theory holds that an asteroid the size of San Francisco, traveling faster than a bullet, slammed into Earth 65 million years ago. The impact delivered a destructive blast thousands of times more powerful than the combined yield of all the world’s nuclear weapons, setting off earthquakes greater than 11 in magnitude and widespread tsunamis, and shrouding the globe for years in a thick cocoon of sky-blackening dust and debris. This cataclysm effectively ended the reign of the dinosaurs and opened the door for the ascension of mammals. 
  • Luis Alvarez Theory  it is now generally thought that the K–Pg extinction was caused by the impact of a massive comet or asteroid 10 to 15 km (6 to 9 mi) wide, 66 million years ago, which devastated the global environment, mainly through a lingering impact winter which halted photosynthesis in plants and plankton.The theory was bolstered by the discovery of the 180-kilometre-wide (112 mi) Chicxulub crater in the Gulf of Mexico in the early 1990s, which provided conclusive evidence that the K–Pg boundary clay represented debris from an asteroid impact. The fact that the extinctions occurred simultaneously provides strong evidence that they were caused by the asteroid.
  • I learned alot about dinosaurs today. THANK YOU.
  • You're Welcome.
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