yes
yes with wireless adapters or a link cable
you can not reduce evs in leafgreen and firered
no it does not. the games for the ds will have it
You can't go to Johto in Pokemon FireRed or LeafGreen.
Ruby, sapphire, emerald only by wireless adapters, another firered, leafgreen and Pokemon colosseum and Pokemon xd gale of darkness.
yes with wireless adapters or a link cable
You can't get mew in firered or leafgreen.
You can trade them through a link at the Pokemon trade center
you can't only in Pokemon firered and leafgreen you can't only in Pokemon firered and leafgreen
yes
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.
You can only get Rayquaza in Pokemon Ruby, Sapphire, and Emerald. If you want to get a Rayquaza in Pokemon Leafgreen or Firered, you will have to get a second Game Boy Advance or SP with a link cable to trade Rayquaza into your firered or leafgreen.
Bellsprout has to be found wild, in leafgreen, you need to trade from Leafgreen for Pokemon.
Yes, unfortunatly!:(
Migrate it from leafgreen/Firered Migrate it from leafgreen/Firered
you can not reduce evs in leafgreen and firered
Firered and Leafgreen were released in stores in 2004.