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  2. Physical geography - Wikipedia

    en.wikipedia.org/wiki/Physical_geography

    Landscape ecology is a sub-discipline of ecology and geography that address how spatial variation in the landscape affects ecological processes such as the distribution and flow of energy, materials, and individuals in the environment (which, in turn, may influence the distribution of landscape "elements" themselves such as hedgerows).

  3. Geophysics - Wikipedia

    en.wikipedia.org/wiki/Geophysics

    Geophysics (/ ˌ dʒ iː oʊ ˈ f ɪ z ɪ k s /) is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis.

  4. Earth science - Wikipedia

    en.wikipedia.org/wiki/Earth_science

    In Earth science, it is common to conceptualize the Earth's surface as consisting of several distinct layers, often referred to as spheres: the lithosphere, the hydrosphere, the atmosphere, and the biosphere, this concept of spheres is a useful tool for understanding the Earth's surface and its various processes [30] these correspond to rocks ...

  5. Biogeochemistry - Wikipedia

    en.wikipedia.org/wiki/Biogeochemistry

    Biogeochemistry is the scientific discipline that involves the study of the chemical, physical, geological, and biological processes and reactions that govern the composition of the natural environment (including the biosphere, the cryosphere, the hydrosphere, the pedosphere, the atmosphere, and the lithosphere).

  6. Wikipedia:Wikipedia for Schools/Welcome/Geography/Physical ...

    en.wikipedia.org/.../Geography/Physical_Geography

    NASA true-color image of the Earth's surface and atmosphere. Physical geography (also known as physiography) is one of the two fields of geography. [1] [2] [3]Physical geography is the branch of natural science which deals with the processes and patterns in the natural environment such as the lithosphere, hydrosphere, atmosphere, pedosphere geosphere and global flora and fauna patterns ...

  7. Earth - Wikipedia

    en.wikipedia.org/wiki/Earth

    The human population virtually completely remains on Earth's surface, fully depending on Earth and the environment it sustains. Since the second half of the 20th century, some hundreds of humans have temporarily stayed beyond Earth , a tiny fraction of whom have reached another celestial body, the Moon.

  8. Biogeochemical cycle - Wikipedia

    en.wikipedia.org/wiki/Biogeochemical_cycle

    The terrestrial subsurface is the largest reservoir of carbon on earth, containing 14–135 Pg of carbon [36] and 2–19% of all biomass. [37] Microorganisms drive organic and inorganic compound transformations in this environment and thereby control biogeochemical cycles.

  9. Natural environment - Wikipedia

    en.wikipedia.org/wiki/Natural_environment

    The term is most often applied to Earth or some parts of Earth. This environment encompasses the interaction of all living species, climate, weather and natural resources that affect human survival and economic activity. [1] The concept of the natural environment can be distinguished as components: