thumb|right|The Kakanui Range dominates the eastern horizon of the [[Maniototo Plain of New Zealand]] In geography, a plain, commonly known as flatland, is a flat expanse of land that generally has few rapid or steep changes in elevation. Natural vegetation in plains can include prairies/grasslands, forests, savanah, tundra, and desert biomes, among others. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands. Plains are one of the major landforms on earth, being present on all continents and covering more than one-third of the world
A plain is a flat expanse of land with few steep changes in elevation, and it can support various types of natural vegetation depending on its climate and location. Plains are significant because they are one of Earth's major landforms, found on every continent and covering more than one-third of the world's surface.
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thumb|right|The Kakanui Range dominates the eastern horizon of the [[Maniototo Plain of New Zealand]] In geography, a plain, commonly known as flatland, is a flat expanse of land that generally has few rapid or steep changes in elevation. Natural vegetation in plains can include prairies/grasslands, forests, savanah, tundra, and desert biomes, among others. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands. Plains are one of the major landforms on earth, being present on all continents and covering more than one-third of the world's land area. Plains in many areas are important for agriculture. There are various types of plains, and biomes on them.thumb|Montane plains as seen in Horton Plains in [[Sri Lanka.]]
== Description == thumb|Plain of Campidano, [[Italy]] A plain or flatland is a flat expanse of land with few rapid or steep changes in elevation. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands. Plains are one of the major landforms on earth, where they are present on all continents, and cover more than one-third of the world's land area.
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