WONDER #1778: Why Do We Make Friends?
Question 1 of 3
People tend to make friends with people who share common what?
Question 2 of 3
Scientists have recently discovered that friends are as genetically similar as fourth what?
Question 3 of 3
Scientists have learned that friends tend to have very different genes for which bodily system?
Check your answers online at https://www.wonderopolis.org/wonder/why-do-we-make-friends.