it doesn't. her base
Generally it is not useful for a Pokemon to posses aqua ring even on a pokemon like vaporean due to other available options. Scald would be a better replacement. If scald is not available, hydro pump works well. Make sure to give it leftovers since vaporeon is generally tanky.
Any water type move!
Since Xemnas has no heart he go to Aqua's armor and talk to the armor because aqua's spirit is still in the armor.
I has some random names ;) Aqua Sushi Blue Grace Puddle Dew
Dilute acid.
Aqua Regia will dissolve gold. Aqua Regia is a mixture of Nitric acid and Hydrochloric acid.
Bubblegum Dance
It is a mix of nitric acid and hydrochloric acid.
Hot Aqua Regia
aqua regia is a solution of nitric acid+hydrochloric acid. ratio is 3:1.
66%
Aqua pets can sing, dance and interact.I can not answer any other details, simply because I do not have one.