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South Asia is the southern subregion of Asia, which is defined in both geographical and ethnic - cultural terms. As commonly conceptualized, the modern states of South Asia include Afghanistan, [6] Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka. [7]
The US has the 2nd largest Exclusive Economic Zone of 11,351,000 km 2 (4,383,000 sq mi). By total area ( water as well as land), the United States is either slightly larger or smaller than the People's Republic of China, making it the world's third or fourth-largest country.
A thematic map is a type of map that portrays the geographic pattern of a particular subject matter (theme) in a geographic area. This usually involves the use of map symbols to visualize selected properties of geographic features that are not naturally visible, such as temperature, language, or population. [1]
By a broad definition including Mongolia and Afghanistan, more than 90 million people live in Central Asia, about 2% of Asia's total population. Of the regions of Asia, only North Asia has fewer people. It has a population density of 9 people per km 2, vastly less than the 80.5 people per km 2 of the continent as a whole. Kazakhstan is one of ...
The concept of "Central Europe" appeared in the 19th century. It was understood as a contact zone between the Southern and Northern areas, and later the Eastern and Western areas, of Europe. Thinkers portrayed "Central Europe" either as a separate region, or a buffer zone between these regions. In the early nineteenth century, the terms "Middle ...
World map of the five-ocean model with approximate boundaries The entire ocean, containing 97% of Earth's water, spans 70.8% of Earth 's surface, [8] making it Earth's global ocean or world ocean . [23] [25] This makes Earth, along with its vibrant hydrosphere a "water world" [43] [44] or " ocean world ", [45] [46] particularly in Earth's early ...
Estimates of world population by their nature are an aspect of modernity, possible only since the Age of Discovery.Early estimates for the population of the world date to the 17th century: William Petty, in 1682, estimated the world population at 320 million (current estimates ranging close to twice this number); by the late 18th century, estimates ranged close to one billion (consistent with ...
Population pyramid. A population pyramid (age structure diagram) or " age-sex pyramid " is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. [1] Males are usually shown on the left and ...