What do you mean by responsible? Do you want to know the genetics behind it, what the surface markers do, or why they are metically important? I think I can help.
Answer:
FnUvCvK is a bad word.It is so popular because they using it to tease someone
Some example of bad word:
What the FnUvCvK
D.a.m.n it
What the h.e.l.l
FnUvCvK you
all of this is a bad words
Explanation:
Hope it helps;)
The last one, about coastal breezes
