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22 geographical subregions as defined by the UNSD. Antarctica is not shown.. The United Nations geoscheme is a system which divides 248 countries and territories in the world into six continental regions, 22 geographical subregions, and two intermediary regions. [1]
Human geography – one of the two main subfields of geography is the study of human use and understanding of the world and the processes that have affected it. Human geography broadly differs from physical geography in that it focuses on the built environment and how space is created, viewed, and managed by humans, as well as the influence humans have on the space they occupy.
The term Southern California usually refers to the ten southernmost counties which closely match the lower one-third of California's span of latitude. This definition coincides neatly with the county lines at 35° 47′ 28″ north latitude, which form the northern borders of San Luis Obispo, Kern, and San Bernardino counties.
In 2015, the logo of the National Geographic Bee was updated, and they changed the format once again. Instead of ten blue answer screens for the final round, now there are alternating blue and green screens. There are no longer bonus questions, and the first five rounds are USA based and worth one point for most questions.
The term "feature" is broad and inclusive, and includes both natural and human-constructed objects. The term covers things which exist physically (e.g. a building) as well as those that are conceptual or social creations (e.g. a neighbourhood). Formally, the term is generally restricted to things which endure over a period.
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1. An extreme geographical point, especially one of a pair. 2. Either of the two points where the Earth's axis of rotation meets its surface, i.e. the geographic poles, representing the northern and southern extremities of terrestrial latitude: the Geographic North Pole and the Geographic South Pole. 3.
an ecocline is a variation of the physicochemical environment dependent of one or two physico-chemical factors of life, and thus presence/absence of certain species. [9] An ecocline can be a thermocline , chemocline (chemical gradient), halocline (salinity gradient) or pycnocline (variations in density of water induced by temperature or salinity).