The Cretaceous is geologic period and system that spans 79 million years from the end of the Jurassic period 145 million years ago to the beginning of the Paleogene Period 66 mys. It is the last period of the Mesozoic Era and the longest period of the Phanerozoic Eon. The Cretaceous Period is usually abbreviated K, for its German translation Kreide (chalk, creta in Latin) . The Cretaceous was a period with a relatively warm climate, resulting in high eustatic sea levels that created numerous shallow inland seas. These oceans and seas were populated with now-extinct marine reptiles, ammonites and rudists, while dinosaurs continued to dominate on land. During this time, new groups of mammals and birds, as well as flowering plants, appeared . Research History :- The Cretaceous as a separate period was first defined by Belgian geologist Jean d'Omalius d'Halloy in 1822, using strata in the Paris Basin and named for the extensive beds of chalk (calcium carbonate depo
ALIEN "ALIEN" is a Extraterrestrial life which may occur outside of the earth. Why we are named Extraterrestrial life as Alien is because the word Alien describes a foreigners that mean's they are outsiders. The word Alien is not new to human's in the history so many ancient civilizations mentioned that Extraterrestrial people visited the earth in their books and painting's but no one knows it is true or not there are so many questions about Aliens. The information in this post is what i'm thinking i don't say it was correct but it was my perspective. 1) The Existence of ALIEN Civilization :- The Extraterrestrial life (Alien Civilization) is not exited for now it is just assumption but we are thinking that there may be a chance for existence of life in other planets some where else in the universe. 2 ) ALIENS