Answer: It's because he/she is constantly subjecting their legs to gravity, which veins are fighting against to move blood back to the heart.
Emotional
i’m sorry i don’t know the second one
It’s 50%. you get Bb, Bb, bb, and bb. So that is 50%
It means the completion or approval of a finished and definitive version of something.
I think it would either be A or D! Hope this helps.
