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.
The mass of one human is 62kg. Hope this helps!
Answer:
This freaky thing illustrates the weighted significance of our sensory receptors. His disproportional hands are monstrous, for example, because we primarily touch the world with our hands, not our elbows, so our hands are extremely sensitive.
Explanation:
