Answer:
it's C.
if you watch Avatar: The Last Airbender TV SERIES (not the creepy movie), it's the characteristic that Master Piandao complimented Sokka *wink*
No, heredity essentially involves only traits which are passed on by genes and the genetic expression of genes. This doesn't involve any environmental influences or anything similar. Although this view is outdated and it is today known that environmental influences get also inherited.
I would say nature of their family background is the least likely to affect their ability to resist peer pressure but I don't think that it has no influence at all
Pectoral muscles, they are chest muscles