DINOUSAURS

DINOUSAURS, 175,000,000 years ago dinousars lived. people are still diging dinosaurs this day. dinosaurs became extincked by a astroud and that happen because when the astroud came it deshtroud all the food that they were eating. when all the food was gone the dinousaurs stared to death. it is like a food chain, when the grass is gone the herbivores can't eat and then the herbivors will die. then when all them are gone the carnivor have nothing  eat and they will die.