Yes they can because platinum was an extension of diamond and is in the same region, Sinnoh.
you can not get it from Pokemon platinum you can trade in to diamond or pearl
yes. you can trade Pokemon from diamond, pearl, or platinum to heartgold or soulsilver.
IT isn't in Platinum you have to trade for it from Global trade or Diamond
you can trade Pokemon from heartgold and soulsilver to your diamond,pearl, or platinum.
yes
You trade Magmar from Pokemon pearl,diamond,or platinum to ether Pokemon pearl,diamond,or platinum.
you can not get it from Pokemon platinum you can trade in to diamond or pearl
yes. you can trade Pokemon from diamond, pearl, or platinum to heartgold or soulsilver.
You can't..... But you can trade from Platinum to Diamond
It is possible to trade Pokemon platinum to diamond and pearl, but you cannot trade to any other game.
IT isn't in Platinum you have to trade for it from Global trade or Diamond
you can trade Pokemon from heartgold and soulsilver to your diamond,pearl, or platinum.
Of course. :D
trade from Pokemon pearl or diamond.
Yes, you can trade them from diamond and pearl
You have to trade it with Diamond or Platinum.
yes