All of the above is the correct answer
An example of a mucous membrane is a oral mucous membrane.
The answer is C.
Passive communicators will keep their opinions unvoiced and to themselves in stressful or complex situations. Passive means to be inactive in how you act and react to any situation, it is when you take a stand back and either don't get involved in situations at all or you don't let your opinions known to others. It's like being in the background in situations.
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