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Rangelands and pasturelands make up 50 percent of all land areas in the US. These areas are used for grazing livestock and provide important habitats for many plant and animal species.
Most land areas are located in the Northern Hemisphere. North America, Europe, Asia, and parts of Africa and South America are all primarily located in the Northern Hemisphere.
Farmland refers to land specifically used for growing crops, raising livestock, or other agricultural purposes. Agricultural land is a broader term that encompasses all land used for agriculture, including farmland but also areas used for forestry, fishing, and other agricultural practices. In summary, all farmland is agricultural land, but not all agricultural land is farmland.
Present-day land areas that were part of the supercontinent Pangaea include South America, Africa, Antarctica, Australia, India, and parts of Europe and North America. These landmasses were all connected together before the breakup of Pangaea.
Land covers about 30% of the Earth's surface, with the remaining 70% being covered by water bodies such as oceans and seas. Land consists of continents, islands, and other landmasses where humans and terrestrial organisms live and thrive.
Approximately 20-30% of cultivated land worldwide is irrigated. This percentage varies by region, with some areas relying heavily on irrigation for agriculture while others depend on rainfed farming.