Spitting lol
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Answer:
When you begin studying communication, you’ll find that we communicate with much more than our words. In face-to-face communication, our words are only part of the message. The balance of the message, and in fact, the largest part of the message that we are sending to others is made up of non-verbal information. It is composed of our body language and our tone of voice. Let’s take a closer look at these two communication elements.
Explanation:
C. loud noise or music because infection and injury do not occur often and aging wouldn't make any sense.
True, sleep problems indeed are a quite often occurence among children as well as adults - they do occur quite often but don't necessarily occur all the time for people to whom it does happen. At the same time, when someone suffers from sleep problems, this doesn't necessarily mean that he cannot sleep at all.