______ is also known as grapevine.
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Formal communication
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Informal communication
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Verbal communication
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Written communication
B
Correct answer
Explanation
Grapevine refers to informal communication networks that exist alongside formal communication channels in organizations. It's called 'grapevine' because information spreads like vines in a grapevine - unofficially and rapidly. Formal communication (A) follows the official chain of command, while grapevine operates through social relationships and personal connections.