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What are limitations of using fire and smoke signals as a means of communication?

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Limitations of using fire and smoke signals as a means of communication include;

  • Could convey messages over long distances/it can only be used to cover short distances.
  • Its effectiveness depended on weather.
  • Was not secretive way of sending a message.
  • Limited to the sighted/required people to be on the lookout.
  • Limited range of messages could be sent.
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