Which of the following is an example of linear communication? a. an ongoing instant message conversation. b. leaving a voice-mail message. c. trying to get someone's attention in a crowded train station. d. strangers exchanging greetings at a bus stop.

b)Leaving a voice-mail message

Explanation: Linear communication is the communication in which the sender sends the message to the receiver but receiver cannot revert with the feedback. This communication is established in one way path.

Voice mail is the recorded message in the digital form which is sent over the telephonic devices when the phone holder is not present for answering the call .The phone holder gets the message later when they listen to the voicemails.

Other options are incorrect because others will receive the a feedback or response in return of the message sent by them.So,the left voice is the linear communication example.Thus , the correct option is option(b).

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