Grids

Geography is the study of where things are found on Earth's surface and the reason for the location. Two questions that are asked are "Where are people and activities found on Earth?" and "Why are they found there?" The answer to both questions are the map. A map is a two-dimensional or a flat-scale model of the Earth's surface. The art and science of mapmaking is called cartography. Two purposes of a map is to help find the absolute and relative location. It is also used as a communication tool to convey the distribution of human activities or physical features. Absolute location is a portion expressed in degrees, minutes, and seconds of latitude and longitude. Relative location is the regional or situation of a place relative to the portion of other places. Latitude is the geographic coordinate that specifies the north-south portion of a point on the Earth's surface. Important lines of latitude are Artic Circle, Tropic of Cancer, Equator, Tropic of Capricorn, and the Antarctic Circle. Lines of latitude cross the prime meridian at right angles and the parallel lines get shorter towards the end.

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