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.
Pelvic inflammatory disease is the most likely cause in 99% of studies on this matter
The answer is D! Hope I helped!
The five stages are
<span>can be distinguished as:
pre contemplation, contemplation, preparation, action and maintenance.</span>
