yes return to the same place and it will still be there
You cant
No. It's like that with all non-regulated legendaries.
Like all legendaries (Except Victini or maybe Zekrom/Reshiram), when defeated, they won't return so you have 1 shot at catching it (unless you save at front of it if you fail).
if you have beaten the league she cant battle you again
Unfortunately, no you can not access Kyurem's Lair again, unless you didn't catch it or accidentally made it faint
after you catch or faint kyogre ( btw if you faint him you wont be able to battle him again) you come out of the cave of origin and steven will thank you. then go to wallacesa gym and defeat him. after that you can go to the Pokemon league
you can't battle people again. If someone knows how please answer
No, you dont see him again.
When you reached your 21st battle you will battle Palmer and his Pokemon are: Dragonite, Rhyperior, and Milotic When you reached your 49th battle you will battle him again and his Pokemon are: Heatran, Regigigas, and Cresselia
You cannot get to Kyurem until after you've defeated the Elite 4. Simply head back to Giant Chasm again where you faced Ghetsis and White Kyurem.
Yes they will
no