emote sensing and geographic information systems can be defined as follows: "Remote sensing is any method of obtaining and recording information from a distance. The most common sensor is the camera; cameras are used in aircraft, satellites, and space probes to collect information and transmit it back to Earth (often by radio). The resulting photographs provide a variety of information, including archeological evidence and weather data. The images are also used in map-making. Microwave sensors use radar signals that penetrate cloud. Infrared sensors measure temperature differences over an area. Computers process data from sensors." ("remote sensing" World Encyclopedia. Philip's, 2005. Oxford Reference Online. Oxford University Press. Charles Darwin University. 12 September 2005 ). "Geographic (Geographical) Information Systems (GIS), GIS are integrated, spatial, data-handling programmes which will collect, store, and retrieve spatial data from the real world. They are powerful......
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