well you connect a link cable from one gameboy to the other and in both games go upstairs in the pokemon center and talk to the second woman.
YES
You have to trade it from Fire Red
You can't. have to trade from fire red
you have to trade from fire red
yes.
Sorry, but you have to trade it from fire red.
You have to trade with someone who has fire red.
Trade it from leafgreen or fire red
you can't
cant you have to either trade from pokemon leafgreen or fire red
I think you have to trade it with any Pokemon from leaf green or fire red ,
You can't get scizor on Pokemon leaf green. However, you can trade if you have Pokemon fire red.