what is the most common and the cheapest means of communication
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Answer:
Radio is the cheapest means of communication.
Explanation:
Radio is the cheapest means of audio communication because it become popular among the crowd because of its socio-cultural programmes. There is a wide range of programmes that are broadcast every day. This is the reason why it is so common among everyone and is considered the cheapest means of audio communication.
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Answer:
postal services.
Explanation:
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