Answer: a. complementing
Explanation: Non-verbal messages such as facial expressions and maintaining eye contact serve different functions. Here, John pats Aaron on the shoulder while saying "You're the best!" John's non-verbal message complements his verbal message. By adding this gesture, it emphasizes what he is saying.
Non-verbal communication may also substitute, accent or regulate a spoken/verbal message.
These two people are the one responsible for drawing
attention to the needs of those who are poor in the urban places of which is
during the time of the late 19th century and as well as the early 20th
century. Jacob Rii and Jane Adams are known to be as social reformers.
The correct answer is out of our own "<span>self-interest ".
Self-interest is one of the aspects in terms of participating in politics, wherein we vote and seem to support political candidates and parties, whom we see that may contribute to our personal needs, and who we seem fitting for that particular position.</span>