Question

___ lacks communication credibility a) Horizontal
b)Formal
c)Grapevine
d)Diagonal
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Answer 1

Answer:

formal

please make me brainiest

Answer 2

The correct answer is formal,

• A formal communication is a type of communication which is formal in nature, it does not contain any words that are related to personal information.
• A formal communication lack trust which is the main meaning of credibility.
• Credibility in communication helps knowing people's pattern and emotion which lacks in formal communication.
• Formal Communication is used mostly in business organizations, government  undertakings, corporate offices, etc.