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  2. Nation-building - Wikipedia

    en.wikipedia.org/wiki/Nation-building

    Nation-building is constructing or structuring a national identity using the power of the state. [1][2] Nation-building aims at the unification of the people within the state so that it remains politically stable and viable in the long run. According to Harris Mylonas, "Legitimate authority in modern national states is connected to popular rule ...

  3. Plate tectonics - Wikipedia

    en.wikipedia.org/wiki/Plate_tectonics

    t. e. Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building') [1] is the scientific theory that Earth 's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago. [2][3][4] The model builds on the concept of continental ...

  4. Deposition (geology) - Wikipedia

    en.wikipedia.org/wiki/Deposition_(geology)

    Deposition is the geological process in which sediments, soil and rocks are added to a landform or landmass. Wind, ice, water, and gravity transport previously weathered surface material, which, at the loss of enough kinetic energy in the fluid, is deposited, building up layers of sediment. This occurs when the forces responsible for sediment ...

  5. Urbanization - Wikipedia

    en.wikipedia.org/wiki/Urbanization

    Urbanization over the past 500 years [12] A global map illustrating the first onset and spread of urban centres around the world, based on. [13]From the development of the earliest cities in Indus valley civilization, Mesopotamia and Egypt until the 18th century, an equilibrium existed between the vast majority of the population who were engaged in subsistence agriculture in a rural context ...

  6. Geology - Wikipedia

    en.wikipedia.org/wiki/Geology

    Solidified lava flow in Hawaii Sedimentary layers in Badlands National Park, South Dakota Metamorphic rock, Nunavut, Canada. Geology (from Ancient Greek γῆ (gê) 'earth' and λoγία () 'study of, discourse') [1] [2] is a branch of natural science concerned with the Earth and other astronomical objects, the rocks of which they are composed, and the processes by which they change over time. [3]

  7. State-building - Wikipedia

    en.wikipedia.org/wiki/State-building

    State-building as a specific term in social sciences and humanities, refers to political and historical processes of creation, institutional consolidation, stabilization and sustainable development of states, from the earliest emergence of statehood up to the modern times. Within historical and political sciences, there are several theoretical ...

  8. Ethnobiology - Wikipedia

    en.wikipedia.org/wiki/Ethnobiology

    Ethnobiology is the multidisciplinary study of relationships among peoples, biota, and environments integrating many perspectives, from the social, biological, and medical sciences; along with application to conservation and sustainable development. The diversity of perspectives in ethnobiology allows for examining complex, dynamic interactions ...

  9. Deforestation - Wikipedia

    en.wikipedia.org/wiki/Deforestation

    Deforestation or forest clearance is the removal and destruction of a forest or stand of trees from land that is then converted to non-forest use. [1] Deforestation can involve conversion of forest land to farms, ranches, or urban use. About 31% of Earth's land surface is covered by forests at present. [2]