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Há 1 dia · Russia,[b]or the Russian Federation,[c]is a country spanning Eastern Europeand North Asia. It is the largest country in the world by area, extending across eleven time zonesand sharing land borders with fourteen countries. [d]It is the world's ninth-most populous countryand Europe's most populous country. Russia is a highly urbanized country ...
Há 3 dias · A Doctor of Philosophy ( PhD, Ph.D., or DPhil; Latin: philosophiae doctor or doctor philosophiae) is a terminal degree that usually denotes the highest level of academic achievement in a given discipline and is awarded following a course of graduate study and original research. The name of the degree is most often abbreviated PhD (or, at times ...
Há 5 dias · Magnetic field. A permanent magnet, a piece of magnetized metal alloy. A solenoid ( electromagnet ), a coil of wire with an electric current through it. The shape of the magnetic fields of a permanent magnet and an electromagnet are revealed by the orientation of iron filings sprinkled on pieces of paper.
8 de mai. de 2024 · Hakeem Jeffries voices his support for the Malala Yousafzai Scholarship Act. Recorded March 3, 2020. Hakeem Sekou Jeffries ( / ˌhɑːˈkiːm / hah-KEEM; born August 4, 1970 [2]) is an American politician and attorney who has served as House Minority Leader and Leader of the House Democratic Caucus since 2023.
Há 4 dias · Typiquement, une constante en mathématiques est un nombre réel ou complexe remarquable. À la différence des constantes physiques, les constantes mathématiques sont définies indépendamment de toute mesure physique et la plupart d'entre elles apparaissent dans des contextes divers .
Há 4 dias · Signature. Herman Melville ( born Melvill; [a] August 1, 1819 – September 28, 1891) was an American novelist, short story writer, and poet of the American Renaissance period. Among his best-known works are Moby-Dick (1851); Typee (1846), a romanticized account of his experiences in Polynesia; and Billy Budd, Sailor, a posthumously published ...
Há 18 horas · AIM-9 Sidewinder. The AIM-9 Sidewinder ("AIM" for "Air Intercept Missile") is a short-range air-to-air missile. Entering service with the United States Navy in 1956 and the Air Force in 1964, the AIM-9 is one of the oldest, cheapest, and most successful air-to-air missiles. [3] Its latest variants remain standard equipment in most Western ...
