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  2. Water stagnation - Wikipedia

    en.wikipedia.org/wiki/Water_stagnation

    Water stagnation for as little as six days can completely change bacterial community composition and increase cell count. [3] Stagnant water may be classified into the following basic, although overlapping, types: Water body stagnation (stagnation in swamp, lake, lagoon, river, etc.) Surface and ground water stagnation; Trapped water stagnation.

  3. List of English words of Hindi or Urdu origin - Wikipedia

    en.wikipedia.org/wiki/List_of_English_words_of...

    from Hindi पश्मीना, Urdu پشمينه, ultimately from Persian پشمينه. Punch from Hindi and Urdu panch پانچ, meaning "five". The drink was originally made with five ingredients: alcohol, sugar, lemon, water, and tea or spices. [15] [16] The original drink was named paantsch. Pundit

  4. Hydrology - Wikipedia

    en.wikipedia.org/wiki/Hydrology

    Rain falling over a drainage basin in Scotland.Understanding the cycling of water into, through, and out of catchments is a key element of hydrology. Hydrology (from Ancient Greek ὕδωρ (húdōr) 'water' and -λογία () 'study of') is the scientific study of the movement, distribution, and management of water on Earth and other planets, including the water cycle, water resources, and ...

  5. Supercooling - Wikipedia

    en.wikipedia.org/wiki/Supercooling

    If water is cooled at a rate on the order of 10 6 K/s, the crystal nucleation can be avoided and water becomes a glass—that is, an amorphous (non-crystalline) solid. Its glass transition temperature is much colder and harder to determine, but studies estimate it at about 136 K (−137 °C; −215 °F). [ 9 ]

  6. Does a glass of water ever go bad? Experts weigh in. - AOL

    www.aol.com/lifestyle/does-glass-water-ever-bad...

    Tap water is not sterile and may contain waterborne germs, such as bacteria, fungi and amebas, which form a biofilm barrier to water treatment chemicals — mainly chlorine and chloramine ...

  7. Evaporation - Wikipedia

    en.wikipedia.org/wiki/Evaporation

    Aerosol of microscopic water droplets suspended in the air above a cup of hot tea after the water vapor has sufficiently cooled and condensed. Water vapor is an invisible gas, but the clouds of condensed droplets refract and scatter the sunlight and are thus visible. Droplets of water vapor in a pan. Demonstration of evaporative cooling.

  8. Hygroscopy - Wikipedia

    en.wikipedia.org/wiki/Hygroscopy

    If water molecules become suspended among the substance's molecules, adsorbing substances can become physically changed, e.g. changing in volume, boiling point, viscosity or some other physical characteristic or property of the substance. For example, a finely dispersed hygroscopic powder, such as a salt, may become clumpy over time due to ...

  9. Is sparkling water just as hydrating as still? Dietitians ...

    www.aol.com/sparkling-water-just-hydrating-still...

    The healthiest bubbly water you can drink is plain, unsweetened, sparkling water or seltzer — just H2O plus CO2 — over those with sweeteners, flavorings, or other additives, says Zumpano.