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Geography Now (also stylized as Geography Now!) is an American educational YouTube channel and web series created and hosted by Paul Barbato, profiling UN recognized countries in the world in alphabetical order as well as covering other topics regarding physical or political geography. The channel was started in August 2014 and has gained over ...
Geography (from Ancient Greek γεωγραφία geōgraphía; combining gê 'Earth' and gráphō 'write') is the study of the lands, features, inhabitants, and phenomena of Earth. [1] Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities —not merely where objects are, but also ...
David W. Harvey FBA (born 31 October 1935) is a British-American academic best known for Marxist analyses that focus on urban geography as well as the economy more broadly. He is Distinguished Professor of anthropology and geography at the Graduate Center of the City University of New York (CUNY).
The biosphere (which is technically a spherical shell) is virtually a closed system with regard to matter, [1] with minimal inputs and outputs. Regarding energy, it is an open system, with photosynthesis capturing solar energy at a rate of around 100 terawatts. [2] By the most general biophysiological definition, the biosphere is the global ...
Ronald F. Abler. Ronald Francis (Ron) Abler (born May 30, 1939) is an American geographer at Pennsylvania State University and an Elected Fellow of the American Association for the Advancement of Science. [2] [3] Abler obtained his PhD in 1968 from the University of Minnesota, where he had started his academic career as faculty member in 1967. [1]
The Inca Empire, [a] officially known as the Realm of the Four Parts (Quechua: Tawantinsuyu, lit. "land of four parts" [4]), was the largest empire in pre-Columbian America. [5] The administrative, political, and military center of the empire was in the city of Cusco. The Inca civilization rose from the Peruvian highlands sometime in the early ...
The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth. Dates in this article are consensus estimates based on scientific evidence, mainly fossils. In biology, evolution is any change across successive generations in the heritable ...
High, medium, and low projections of the future human world population [1] In world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022. It took around 300,000 years of human prehistory and history for the human population to ...