USB Type-A. Known as your standard-A, a USB Type-A is the first original design for a USB port that has a flat and rectangular shape. It is mainly used to connect and control other USB devices such as saving data on external storage devices and using a mouse and keyboard.
Cretaceous Period. The Cretaceous period began at the end of the Jurassic period approximately 144 million years ago and extended longer than any period (79 ma) to approximately 65 million years ago. The word Cretaceous comes from the word for chalk and the geological remains do indeed contain heightened chalk deposits.
âAs such, they have been found fossilized in Jurassic and Cretaceous deposits, and have been used to reconstruct paleoclimates.â 1.1 as noun the Cretaceous The Cretaceous period or the system of rocks deposited during it. The Cretaceous lasted from about 146 to 65 million years ago. The climate was warm and the sea level rose; the period is characterized especially in NW Europe by the deposition of chalk.