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Aluminium (Aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity towards oxygen, forming a protective layer of oxide on the surface when exposed to air. Aluminium visually resembles ...
- Aluminum (U.S., Canada)
- 13
- Silvery gray metallic
- group 13 (boron group)
England is a country that is part of the United Kingdom. The country is located on the island of Great Britain, of which it covers roughly 62%, and over 100 smaller adjacent islands.It has land borders with Scotland to the north and Wales to the west, and is otherwise surrounded by the North Sea to the east, the English Channel to the south, the Celtic Sea to the south-west, and the Irish sea ...
Produced. 1987–2000. Number built. 21 [1] [2] The Northrop Grumman B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed to penetrate dense anti-aircraft defenses. A subsonic flying wing with a crew of two, the plane was designed by Northrop (later Northrop ...
Number built. 1,000+ [4] Developed from. Lockheed Martin X-35. The Lockheed Martin F-35 Lightning II is an American family of single-seat, single-engine, all-weather stealth multirole combat aircraft designed for air superiority and strike missions; it also has electronic warfare and intelligence, surveillance, and reconnaissance capabilities.
Classification. ALS is a motor neuron disease, which is a group of neurological disorders that selectively affect motor neurons, the cells that control voluntary muscles of the body. [3] Other motor neuron diseases include primary lateral sclerosis (PLS), progressive muscular atrophy (PMA), progressive bulbar palsy, pseudobulbar palsy, and ...
Mark Elliot Zuckerberg (/ˈzʌkərbɜːrɡ/; born May 14, 1984) is an American businessman. He co-founded the social media service Facebook, along with his Harvard roommates in 2004, and its parent company Meta Platforms (formerly Facebook, Inc.), of which he is chairman, chief executive officer and controlling shareholder. Zuckerberg briefly ...
Greenland ( Greenlandic: Kalaallit Nunaat, pronounced [kalaːɬːit nʉnaːt]; Danish: Grønland, pronounced [ˈkʁɶnˌlænˀ]) is a North American autonomous territory [14] of the Kingdom of Denmark. [15] It is the larger of two autonomous territories within the Kingdom, the other being the Faroe Islands; the citizens of both territories are ...
