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  2. Body mass index - Wikipedia

    en.wikipedia.org/wiki/Body_mass_index

    This is an accepted version of this page This is the latest accepted revision, reviewed on 9 February 2025. Relative weight based on mass and height Medical diagnostic method Body mass index (BMI) Chart showing body mass index (BMI) for a range of heights and weights in both metric and imperial. Colours indicate BMI categories defined by the World Health Organization ; underweight, normal ...

  3. Human - Wikipedia

    en.wikipedia.org/wiki/Human

    Males on average are 15% heavier and 15 cm (6 in) taller than females. [274] [275] On average, men have about 40–50% more upper-body strength and 20–30% more lower-body strength than women at the same weight, due to higher amounts of muscle and larger muscle fibers. [276] Women generally have a higher body fat percentage than men. [277]

  4. AMC Hornet - Wikipedia

    en.wikipedia.org/wiki/AMC_Hornet

    This combination was offered by AMC to achieve a 12.5:1 weight-to-horsepower ratio for insurance rate calculations. [ 47 ] With the addition of the $199 "Go" package's four-barrel carburetor and ram-air induction , the SC's power increased to 285 hp (213 kW; 289 PS). [ 48 ]

  5. United States customary units - Wikipedia

    en.wikipedia.org/wiki/United_States_customary_units

    For measuring length, the U.S. customary system uses the inch, foot, yard, and mile, which are the only four customary length measurements in everyday use.From 1893, the foot was legally defined as exactly 1200 ⁄ 3937 m (approximately 0.304 8006 m). [13]

  6. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    To observe the fundamental stretching absorption spectrum of water or of an aqueous solution in the region around 3,500 cm −1 (2.85 μm) [90] a path length of about 25 μm is needed. Also, the cuvette must be both transparent around 3500 cm −1 and insoluble in water; calcium fluoride is one material that is in common use for the cuvette ...

  7. Ammonia - Wikipedia

    en.wikipedia.org/wiki/Ammonia

    The hazards of ammonia solutions depend on the concentration: 'dilute' ammonia solutions are usually 5–10% by weight (< 5.62 mol/L); 'concentrated' solutions are usually prepared at >25% by weight. A 25% (by weight) solution has a density of 0.907 g/cm 3 , and a solution that has a lower density will be more concentrated.

  8. Iron - Wikipedia

    en.wikipedia.org/wiki/Iron

    7.874 g/cm 3 [3] when liquid ... naturally occurring variations in the ratios of the stable isotopes of iron. ... Medieval blast furnaces were about 10 feet (3.0 m) ...