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  2. Effects of high altitude on humans - Wikipedia

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

    Full hematological adaptation to high altitude is achieved when the increase of red blood cells reaches a plateau and stops. The length of full hematological adaptation can be approximated by multiplying the altitude in kilometres by 11.4 days. For example, to adapt to 4,000 metres (13,000 ft) of altitude would require 45.6 days. [27]

  3. Sea level rise - Wikipedia

    en.wikipedia.org/wiki/Sea_level_rise

    On average, the number of days with tidal flooding in the US increased 2 times in the years 2000–2020, reaching 3–7 days per year. In some areas the increase was much stronger: 4 times in the Southeast Atlantic and 11 times in the Western Gulf. By the year 2030 the average number is expected to be 7–15 days, reaching 25–75 days by 2050 ...

  4. 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.

  5. List of tallest people - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_people

    7 ft 11.3 in: Tallest living Chinese person. born 1964 Suparwono Indonesia: 242 cm: 7 ft 11.3 in: Was the tallest man in Southeast Asia, and he was the tallest Indonesian; claimed to be 8 ft 10.5 in (270.5 cm). Officially measured (lying down and in the standing position) by the Indonesian Record Museum (MURI) in December 2009. [39] 1985–2012 ...

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. 2011 Tōhoku earthquake and tsunami - Wikipedia

    en.wikipedia.org/wiki/2011_Tōhoku_earthquake_and...

    16:52 JST – Ōarai – 4.2 meters (14 ft) Many areas were also affected by waves of 1 to 3 meters (3 ft 3 in to 9 ft 10 in) in height, and the JMA bulletin also included the caveat that "At some parts of the coasts, tsunamis may be higher than those observed at the observation sites."

  8. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    This translates to a hoppus foot being equal to 1.273 cubic feet (2,200 in 3; 0.0360 m 3). The hoppus board foot, when milled, yields about one board foot. The volume yielded by the quarter-girth formula is 78.54% of cubic measure (i.e. 1 ft 3 = 0.7854 h ft; 1 h ft = 1.273 ft 3). [42]

  9. Earth's circumference - Wikipedia

    en.wikipedia.org/wiki/Earth's_circumference

    Posidonius calculated the Earth's circumference by reference to the position of the star Canopus.As explained by Cleomedes, Posidonius observed Canopus on but never above the horizon at Rhodes, while at Alexandria he saw it ascend as far as 7 + 1 ⁄ 2 degrees above the horizon (the meridian arc between the latitude of the two locales is actually 5 degrees 14 minutes).