The following Pokemon that you can easily get to learn Flash in Sapphire: Beautifly or Dustox Lotad or Lombre Oddish Gloom
When you learn to use the force.
Any water Pokemon besides magikarp and also linoone can learn surf as well.
Swelleow can. Pelliper can. Swablu can. Altaria can.
No, I don't think so.
The most basic one I can produce off the top of my head is Ralts, Kirlia and Gardivoir. Any of these Pokemon, when leveled high enough, ( I think around 30-40 for Ralts) can learn Hypnosis.
The following Pokemon that you can easily get to learn Flash in Sapphire: Beautifly or Dustox Lotad or Lombre Oddish Gloom
no, kirlia can't learn the HM CUT.
yes ralts can learn shock wave psychic and wen it evolves to kirlia it learns magical leaf and wen it evolves to gardevor/gallade it learns future sight or leaf blade
No.
It can learn it via the TM but not by level.
You can only clone Pokemon in Pokemon Emerald. Not Sapphire and Ruby. To learn how to do it, search it up for a guide.
No.
When you learn to use the force.
Any water Pokemon besides magikarp and also linoone can learn surf as well.
yes,camerupt will learn fissure it will learn it at Lv.55
Kirlia learns Psychic at level 31.