I have not played that game but ive played Pokemon pearl and i hear that they are like twins such as sapphire/ruby so i am pretty sure that you have to get a gym badge first just like in pearl.
Yes
Trade a Graveler in Jubilife City in the Global Trading Center and it will involve after the trade.
You find it with a honey tree but you only have 1% chance of seeing one
no
..you cant but if your game version is leafgreen,, you need to have a firered and link it with leafgreen using a link cable and trade the Pokemon in a Pokemon center
there is no other way unless you either trade or go to the global trading center in jubilife
Put them in the Global Trading Station.
You can either get it by capturing it in Pokemon Silver in the Safari Zone. Or by trading it on the Global Trade Station in Pokemon Diamond, Pearl, or Platinum.
Yes
A place to trade Pokemon with people around the world
the person trading the magmar may want a higher level mothim or maybe you need to check what Pokemon they want again.
the gts is in every pc
It's on the second floor of any Pokemon Center.
Catch Alot Of Diffrent Pokemon,Pokemon Global Trade Center,Migrate, And Just Try Really Hard.
you trade using the global trading station (GTS) or trade with someone that you know that has one
Talk to the guy on the second floor of the Pokemon Center in Castelia City after doing +10 trades either by wireless or the Global Trading Center.
Yes, there is a Global Trading Center in "Pokémon White" like there was in Pokémon Pearl however in Pokémon White, it is available via the Pokémon Center. After entering the Pokémon Center, just head up to the 2nd level and talk to the lady farthest to the right and then you can access the Global Trading Center.