You can. But it would not be a good idea, as the same Pokemon are obtainable, unless its an Event or Exclusive to another game Pokemon, in which case, it could be best to do so.
You cant the only way to get groudon on sapphire is to trade it from ruby
u cant trade. migrate
no u cant
you cant unless you trade from silver version
do u mean Pokemon blue or do you mean SAPPHIRE You trade to SAPPHIRE the normal way but u cant trade to blue
you cant you have to trade from ruby emerald or sapphire.
you can, but you need a link cable :)
you cant you have to trade from leafgreen or firered
you cant you can only catch it in emerald but can trade it
i am almost certain that you cant trade as when Pokemon sapphire was made, Pokemon like bulbasaur werent invented. Sorry
You cant get Clefairy. But you can trade with someone who has clefairy.
you cant get kyogre in ruby you have to trade from sapphire or emerald