Resultado de búsqueda
Hace 13 horas · Henry Clay Sr. (April 12, 1777 – June 29, 1852) was an American lawyer and statesman who represented Kentucky in both the U.S. Senate and House of Representatives.He was the seventh House speaker as well as the ninth secretary of state.He unsuccessfully ran for president in the 1824, 1832, and 1844 elections. He helped found both the National Republican Party and the Whig Party.
Hace 13 horas · Magnet steel, 6. Cast iron, 7. Nickel, 8. Cobalt, 9. Magnetite. Below its Curie point of 770 °C (1,420 °F; 1,040 K), α-iron changes from paramagnetic to ferromagnetic: the ... Medieval blast furnaces were about 10 feet (3.0 m) tall and made of fireproof brick; ...
