Answer:
<h3>At any one time,<u><em>
93% </em></u>of the population is exhibiting poor posture </h3>
Genetic Factor
Hope I Helped! ;)
Answer:
giving a friend a birthday present after they have given you one
Explanation:
<em>Reciprocity</em> means the generosity flows both ways.
<em>Between peers</em> means the participants have the same general characteristic age, education, experience, and so on. <em>Friends</em> are often peers.