14 Patterns in Human Geography Population density is the measurement of the number of people in a particular area. Imagine all the students in your classroom. Each student has a desk or table to work at and a chair to sit on. Everyone has a comfortable amount of space around him or her to make working or talking easier.
A cellphone widget is a shortcut for a mobile phone application. It usually appears on the phone's home screen and connects the user quickly and efficiently to the app. Keep Learning.
Gadget, a robot used by humans on Mars in 2059. A robot â also called an automaton by at least the Tenth Doctor (PROSE: The Last Dodo) â was a mechanical device with the ability to do work without the help of a living organism. One type of robot was an android (a humanoid robot, such as Kamelion, who could also shape-shift).