b) How is a telephone better than a telegram?
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Explanation:
The main difference between Telephone and Telegraph is that the Telephone is a telecommunications device and Telegraph is a long distance transmission of textual/symbolic messages without the physical exchange of an object.
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Answer:
The main difference between Telephone and Telegraph is that the Telephone is a telecommunications device and Telegraph is a long distance transmission of textual/symbolic messages without the physical exchange of an object.
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