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Fibonacci sequence. A tiling with squares whose side lengths are successive Fibonacci numbers: 1, 1, 2, 3, 5, 8, 13 and 21. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn .
This is a list of the world's countries and their dependencies by land, water, and total area, ranked by total area. The entries in this list include, but are not limited to, those in the ISO 3166-1 standard, which includes sovereign states and dependent territories. All 193 member states of the United Nations plus the two observer states are ...
Lupus, technically known as systemic lupus erythematosus ( SLE ), is an autoimmune disease in which the body's immune system mistakenly attacks healthy tissue in many parts of the body. [1] Symptoms vary among people and may be mild to severe. [1] Common symptoms include painful and swollen joints, fever, chest pain, hair loss, mouth ulcers ...
- Unclear
- 15–45 years of age
- Based on symptoms and blood tests
Representing England. World Championships. 2019 Yekaterinburg. Light-heavyweight. EU Championships. 2018 Valladolid. Light-heavyweight. Benjamin G. Whittaker (born 6 June 1997) [2] is an English professional boxer. As an amateur he won a silver medal at the 2020 Summer Olympics .
Number built. 744 [1] The Boeing B-52 Stratofortress is an American long-range, subsonic, jet-powered strategic bomber. The B-52 was designed and built by Boeing, which has continued to provide support and upgrades. It has been operated by the United States Air Force (USAF) since the 1950s, and NASA for over 40 years.
Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States.With a population of 2,746,388 in the 2020 census, it is the third-most populous city in the United States after New York City and Los Angeles.As the seat of Cook County, the second-most populous county in the U.S., Chicago is the center of the Chicago metropolitan area, often colloquially ...
The domestic cat has a smaller skull and shorter bones than the European wildcat. [48] It averages about 46 cm (18 in) in head-to-body length and 23–25 cm (9.1–9.8 in) in height, with about 30 cm (12 in) long tails. Males are larger than females. [49] Adult domestic cats typically weigh 4–5 kg (8.8–11.0 lb).
