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1 天前 · The electron ( e− , or β− in nuclear reactions) is a subatomic particle with a negative one elementary electric charge.[13] Electrons belong to the first generation of the lepton particle family,[14] and are generally thought to be elementary particles because they have no known components or substructure.[1] The electron's mass is ...
2 天前 · North America includes several regions and subregions, each of which have their own respective cultural, economic, and geographic regions. Economic regions include several regions formalized in 20th- and 21st-century trade agreements, including NAFTA between Canada, Mexico, and the United States, and CAFTA between Central America, the Dominican Republic, and the United States.
1 天前 · American Airlines is a major airline in the United States headquartered in Fort Worth, Texas, within the Dallas–Fort Worth metroplex. It is the largest airline in the world when measured by scheduled passengers carried, revenue passenger mile. American, together with its regional partners and affiliates, operates an extensive international ...
3 天前 · Delta Air Corporation secured an air mail contract in 1934, and began doing business as Delta Air Lines over Mail Route 24, stretching from Fort Worth, Texas, to Charleston, South Carolina. [19] [20] [13] Delta moved its headquarters from Monroe, Louisiana, to its current location in Atlanta in 1941. [21] The company name officially became ...
1 天前 · Theodore Roosevelt Jr. [b] (October 27, 1858 – January 6, 1919), often referred to as Teddy or by his initials, T. R., was an American politician, soldier, statesman, conservationist, naturalist, and writer who served as the 26th president of the United States from 1901 to 1909. He previously held various positions in New York politics ...
3 天前 · Website. ucla.edu. The University of California, Los Angeles ( UCLA) [1] is a public land-grant research university in Los Angeles, California, United States. Its academic roots were established in 1881 as a normal school then known as the southern branch of the California State Normal School which later evolved into San José State University.
3 天前 · Björk Guðmundsdóttir OTF (/bjɜːrk/ BYURK, Icelandic: [pjœr̥k ˈkvʏðmʏntsˌtouhtɪr̥] ⓘ; born 21 November 1965) is an Icelandic singer, songwriter, composer, record producer, and actress. Noted for her distinct voice, three-octave vocal range, and sometimes eccentric public persona, she has developed an eclectic musical style over ...
