Samuel morse spark a revolution in communications. mark the statement if it describes one of morse's contributions.
a.
he developed the semaphore system, thereby revolutionizing communications.
b.
he invented the electric telegraph that transmitted information instantaneously.
c.
he devised a code of dots and dashes for sending messages over the wire.
d.
the first telegraph line ran from philadelphia, pennsylvania, to new york city.
e.
telegraph wires spread across the continent by following railroad tracks west.
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What explains the increase in life expectancy in botswana? a. the increased availability of jobs and an improved economy b. access to antiretroviral drugs, hiv/aids education, and widespread hiv/aids testing c. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates d. a recent military coup that led to an improved healthcare system select the best answer from the choices provided.
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The communists triumphed over forces because of a well-disciplined fighting force, a single - minded sense of zeal , and strong convictions.
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Samuel morse spark a revolution in communications. mark the statement if it describes one of morse'...
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