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  2. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    21 meters – height of High Force waterfall in England; 30.5 meters – length of the lion's mane jellyfish, the largest jellyfish in the world; 33 meters – length of a blue whale, [127] the largest animal on earth, living or extinct, in terms of mass; 39 meters – length of a Supersaurus, the longest-known dinosaur and longest vertebrate [128]

  3. Effects of high altitude on humans - Wikipedia

    en.wikipedia.org/wiki/Effects_of_high_altitude...

    The effects of high altitude on humans are mostly the consequences of reduced partial pressure of oxygen in the atmosphere. The medical problems that are direct consequence of high altitude are caused by the low inspired partial pressure of oxygen, which is caused by the reduced atmospheric pressure, and the constant gas fraction of oxygen in ...

  4. Average human height by country - Wikipedia

    en.wikipedia.org/wiki/Average_human_height_by...

    High School students, 17 (N= m/f:1,108,891) 0.0% Measured 2018 [96] [97] Japan: 172 cm (5 ft 7 + 1 ⁄ 2 in) 158 cm (5 ft 2 in) 1.09: 20–49: 47.2%: Measured: 2005 [19] Jordan: 173 cm (5 ft 8 in) 159 cm (5 ft 2 + 1 ⁄ 2 in) 1.09: 18–69 (N= m:2,203 f:3,510) 96.3%: Measured: 2019 [98] Kazakhstan — 159.8 cm (5 ft 3 in) — 25–49 (N= f ...

  5. Human height - Wikipedia

    en.wikipedia.org/wiki/Human_height

    Height measurement using a stadiometer. Human height or stature is the distance from the bottom of the feet to the top of the head in a human body, standing erect.It is measured using a stadiometer, [1] in centimetres when using the metric system or SI system, [2] [3] or feet and inches when using United States customary units or the imperial system.

  6. Millimetre - Wikipedia

    en.wikipedia.org/wiki/Millimetre

    Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales.The microwave is between 1 meter to 1 millimeter.. The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, which is the SI base unit of length.

  7. Lists of mountains and hills in the British Isles - Wikipedia

    en.wikipedia.org/wiki/Lists_of_mountains_and...

    A Simm is a mountain in the British Isles that is over 600 m (1,969 ft) high and has a prominence of at least 30 m (98 ft). [33] The word comes from Six-hundred Metre Mountain . [ 33 ] As of April 2020, there are 2,755 recorded Simms in the British Isles, including 2,190 Scottish Simms, 192 English Simms, 149 Welsh Simms, one Isle of Man Simm ...

  8. Mount Everest - Wikipedia

    en.wikipedia.org/wiki/Mount_Everest

    Mount Everest hosts several weather stations that collect important data on high-altitude weather conditions. Among them is the Balcony Station, the highest weather station on the planet, located at about 8,430 meters (27,657 feet) above sea level.

  9. List of United States high school national records in track ...

    en.wikipedia.org/wiki/List_of_United_States_high...

    For example, in 1980, high schools converted their running distances from Imperial (yards) to metric, but instead of running conventional international distances like 1500 metres in place of the mile run, a more equitable but non-standard 1600 meters was chosen. For the two-mile run, they run 3200 meters.