There are many theories, one of them being an asteroid that killed almost all of life on earth millions of years ago. Watch Naked Science on either Discovery or History Channel, it explains the theory and is very interesting.
Volcanic eruption and a asteroid the size of a small country (country that holds states) generating enough power to equal all the nuclear weapons x 1000 set all at once
buffalo
paleontology
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The Illumanti reptile aliens abducted and probed the indus valley.
A mass impact threw dust into the atmosphere; this "shaded" the Earth from the Sun's warming rays.
It means that - the species is Extinct. Which means - the animal can no longer be found either in wild or in captivity (Zoos) Ex: Dinosaurs are extinct.
There are many theories as to why, but most scientists agree that a huge meteor crashed in the Yucatan Peninsula causing global ash clouds, tidal waves, and many other problems for dinosaurs and other extinct animals.
The Disappearance was created in 1977.
The main answer you would have heard of would be the giant meteor, but that's not the main reason. There were Tsunami's, Volcanic Eruptions and ect and that could cause climate change and then the plants would die there for the Herbivors ( plant eateing dinosaurs ) would die out because of the lava and stuff killing the plants and then the Carnivors ( Meatv eation dinosaurs ) would die out because all of the herbivors would have died out. By The way this was answered by a 10 year old boy!
how you treat them, how often you feed them, if you arent their real first owner they will eventually end up going home
"Disappearance" has four syllables.
Chronicle of a Disappearance was created in 1996.