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  2. δ15N - Wikipedia

    en.wikipedia.org/wiki/Δ15N

    However s varies similarly; for example if in the sample 15 N is 0.385% and 14 N is 99.615%, s is 0.003850 in the former case and 0.00385/0.99615 = 0.003865 in the latter. The value of 1000 ⋅ s − a a {\displaystyle 1000\cdot {\frac {s-a}{a}}} is then 51.05‰ in the former case and 51.38‰ in the latter, an insignificant difference in ...

  3. Standard step method - Wikipedia

    en.wikipedia.org/wiki/Standard_Step_Method

    Within Excel, the goal seek function can be used to set column 15 to 0 by changing the depth estimate in column 2 instead of iterating manually. Table 1: Spreadsheet of Newton Raphson Method of downstream water surface elevation calculations Step 5: Combine the results from the different profiles and display.

  4. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    Water is an inorganic compound with the chemical formula H 2 O.It is a transparent, tasteless, odorless, [c] and nearly colorless chemical substance.It is the main constituent of Earth's hydrosphere and the fluids of all known living organisms (in which it acts as a solvent [20]).

  5. List of alchemical substances - Wikipedia

    en.wikipedia.org/wiki/List_of_alchemical_substances

    Aqua regia (Latin: "royal water") – a mixture of aqua fortis and spirit of salt. Aqua tofani – arsenic trioxide, As 2 O 3 (extremely poisonous) Aqua vitae /aqua vita/spirit of wine, ardent spirits – ethanol, formed by distilling wine [2] Butter (or oil) of antimony – antimony trichloride.

  6. Is Spirit Air Worth the Water? - AOL

    www.aol.com/news/2013-02-26-is-spirit-air-worth...

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  7. Water distribution on Earth - Wikipedia

    en.wikipedia.org/wiki/Water_distribution_on_Earth

    Most water in Earth's atmosphere and crust comes from saline seawater, while fresh water accounts for nearly 1% of the total. The vast bulk of the water on Earth is saline or salt water, with an average salinity of 35‰ (or 3.5%, roughly equivalent to 34 grams of salts in 1 kg of seawater), though this varies slightly according to the amount of runoff received from surrounding land.

  8. House rejects Trump-influenced stopgap bill, threatening ...

    www.aol.com/news/house-rejects-trump-influenced...

    (The Center Square) – The House has overwhelmingly voted against the stopgap bill presented to the House floor Thursday evening by Speaker Mike Johnson, R-La., after a last-minute scramble.

  9. Hockey player Matthew Petgrave crowdfunding for legal fees ...

    www.aol.com/hockey-player-matthew-petgrave-crowd...

    Canadian hockey player Matthew Petgrave has begun crowdfunding to help cover his legal fees in connection with the death of fellow hockey player Adam Johnson.