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.
Matthew's sudden disappearance was caused by an unknown event or circumstance that affected him.
buffalo
They did not disappear but instead they died and it might be because event was caused by climate and geological changes that interrupted the dinosaurs' food supply.
A mass impact threw dust into the atmosphere; this "shaded" the Earth from the Sun's warming rays.
Avian dinosaurs survived the extinction event of the dinosaurs.
paleontology
dinosaurs are extinct not endangered
Nobody has any idea what caused the Mayas disappearance.
Joseph's sudden disappearance was caused by his abduction by unknown individuals.
The end of the Jurassic period was marked by a mass extinction event that wiped out a significant portion of species, including some dinosaurs. This event was likely caused by a combination of volcanic activity, climate change, and possibly an asteroid impact.
The mass extinction of dinosaurs were caused volcanoes that cause global warming with their toxic gases, therefore, killing the plants, starving the plant eating dinosaurs to death, and with no more plant eating dinosaurs, the meat eating dinosaurs died, too.
No there are no dinosaurs in runescape.Maybe later in an event. But not nowThere are dragons, though.