What traits do Percy and his mom have in common and different

They are both free spirits and determined. Percy's mother knows more about their past and is prepared to sacrifice herself for Percy. She sees the dangers that Percy faces while Percy knows very little about his past and what is going on.

yes they most likly are and have planed t try to bring human life and supplies there also(due to global warming and other harmful resorces)

different routes can lead to sammy to different places, with different roads.   if you check a map, you can see the routes.   try to make connections of the places and count how many there are.   hope this : )