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  2. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    As a solid, it displays the usual behavior of contracting and becoming more dense as it cools. These unusual thermal properties have important consequences for life on earth. In a lake or ocean, water at 4 °C (39 °F) sinks to the bottom, and ice forms on the surface, floating on the liquid water.

  3. Properties of water - Wikipedia

    en.wikipedia.org/wiki/Properties_of_water

    Water (H 2 O) is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue.It is by far the most studied chemical compound [20] and is described as the "universal solvent" [21] and the "solvent of life". [22]

  4. Surface water - Wikipedia

    en.wikipedia.org/wiki/Surface_water

    An inland lake, an example of surface water The entire surface water flow of the Alapaha River near Jennings, Florida going into a sinkhole leading to the Floridan Aquifer groundwater. Surface water is water located on top of land , forming terrestrial (surrounding by land on all sides) waterbodies , and may also be referred to as blue water ...

  5. Water cycle - Wikipedia

    en.wikipedia.org/wiki/Water_cycle

    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 ...

  6. Origin of water on Earth - Wikipedia

    en.wikipedia.org/wiki/Origin_of_water_on_Earth

    Liquid water, which is necessary for all known forms of life, continues to exist on the surface of Earth because the planet is at a far enough distance (known as the habitable zone) from the Sun that it does not lose its water, but not so far that low temperatures cause all water on the planet to freeze.

  7. Here's why water is better than coffee in the morning - AOL

    www.aol.com/lifestyle/2017-03-15-heres-why-water...

    For many people, coffee is the drink of choice first thing in the morning. The beverage made from what adults think of as magical wake-up beans gives the boost of energy many need to get out of bed.

  8. It’s not 8 glasses a day anymore. Here’s how much water you ...

    www.aol.com/finance/not-8-glasses-day-anymore...

    With brand-name water bottle fads and gallon-a-day water challenges trending on TikTok, hydration is in, and that’s good news for health. The average human body is more than 60% water. The ...

  9. Carbon-based life - Wikipedia

    en.wikipedia.org/wiki/Carbon-based_life

    The carbon cycle is a biogeochemical cycle that is important in maintaining life on Earth over a long time span. The cycle includes carbon sequestration and carbon sinks. [4] [5] Plate tectonics are needed for life over a long time span, and carbon-based life is important in the plate tectonics process. [6]