Contestar las siguientes preguntas?
Contestar las siguientes preguntas.
En resumen
Respuesta : Explicación : 1 - A method for marking dot and dashes on paper. (Morse's code)2 - 12 years. He made the first in 1832 but until 1844 he construct one truly practical.
Mejor respuesta
Respuesta : Explicación : 1 - A method for marking dot and dashes on paper.
(Morse's code)2 - 12 years.
He made the first in 1832 but until 1844 he construct one truly practical.
3 - Affect the development of the west, making railroad travel safer and allowed bussinessmen to conduct their operations more profitably4 - Smartphones.