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  2. Nanobacterium - Wikipedia

    en.wikipedia.org/wiki/Nanobacterium

    Structures found on meteorite fragment Allan Hills 84001. Nanobacterium (/ ˌ n æ n oʊ b æ k ˈ t ɪər i əm / NAN-oh-bak-TEER-ee-əm, pl. nanobacteria / ˌ n æ n oʊ b æ k ˈ t ɪər i ə / NAN-oh-bak-TEER-ee-ə) is the unit or member name of a former proposed class of living organisms, specifically cell-walled microorganisms, now discredited, with a size much smaller than the generally ...

  3. Water cycle - Wikipedia

    en.wikipedia.org/wiki/Water_cycle

    The ocean plays a key role in the water cycle as it is the source of 86% of global evaporation. [2] The water cycle involves the exchange of energy, which leads to temperature changes. When water evaporates, it takes up energy from its surroundings and cools the environment. When it condenses, it releases energy and warms the environment.

  4. Evaporation - Wikipedia

    en.wikipedia.org/wiki/Evaporation

    Evaporation is an essential part of the water cycle. The sun (solar energy) drives evaporation of water from oceans, lakes, moisture in the soil, and other sources of water. In hydrology, evaporation and transpiration (which involves evaporation within plant stomata) are collectively termed evapotranspiration. Evaporation of water occurs when ...

  5. Marine biogeochemical cycles - Wikipedia

    en.wikipedia.org/wiki/Marine_biogeochemical_cycles

    Since liquid water flows, ocean waters cycle and flow in currents around the world. Since water easily changes phase, it can be carried into the atmosphere as water vapour or frozen as an iceberg. It can then precipitate or melt to become liquid water again. All marine life is immersed in water, the matrix and womb of life itself. [7]

  6. Runoff (hydrology) - Wikipedia

    en.wikipedia.org/wiki/Runoff_(hydrology)

    In doing so, the water goes through different forms: liquid, solid and vapor. The ocean plays a key role in the water cycle as it is the source of 86% of global evaporation. [2] The water cycle involves the exchange of energy, which leads to temperature changes. When water evaporates, it takes up energy from its surroundings and cools the ...

  7. The system that moves water around the Earth is off balance ...

    www.aol.com/news/global-water-cycle-off-balance...

    The water cycle refers to the complex system by which water moves around the Earth. ... The crisis can only be addressed through better management of natural resources and massive cuts in planet ...

  8. Global water cycle 'spinning out of balance': UN ... - AOL

    www.aol.com/news/global-water-cycle-spinning...

    The water report is only the second such analysis done by the WMO and includes data from large river basins, including river discharge, groundwater, evaporation, soil moisture and reservoir inflow.

  9. Hydrothermal vent microbial communities - Wikipedia

    en.wikipedia.org/wiki/Hydrothermal_vent...

    There are generally three kinds of vents that occur and are all characterized by its temperature and chemical composition. Diffuse vents release clear water typically up to 30 °C. White smoker vents emit a milky-coloured water between 200-330 °C, and black smoker vents generally release water hotter than the other vents between 300-400 °C.