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 profitably
4- Smartphones.
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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 profitably
4- Smartphones.