Answer:
C. Giving Advice
Explanation:
Speaking, listening, and body language are all very important communication skills that are needed for social interactions. Having all three of these skills can help you avoid misunderstandings and conflicts. While giving advice can be a good skill to have, it's not a basic communication skill since people can still interact and have conversations with one another without giving advice.
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True (i had to add this because my answer was too short sorry)
Because your immune system becomes very weak so it will be most likely for a person to contract something