Use items as long as they don't say its bitter, level it up, have it hold soothe bell while your training it, catch the Pokemon you want to train in a luxury ball.
Yes you can trade leafgreen version Pokemon to another leafgreen version.
all you have to do is battle people
you cant... yet
No. Poke'mon Master
defeat it
Not in Pokemon leafgreen only in Pokemon Firered never ever in Pokemon leafgreen And in Pokemon firered it is rare in power plant not available in Pokemon leafgreen?
you battle with it or put exp. share and battle with a different Pokemon
A ditto with (any Pokemon you put in the day care accept for legendaries)
shoot him with a railgun
Just look for a Pokemon with flame body ability and then your eggs will hatch.
you should go to gamestop
HelloSorry to say but you cant trade Pokemon from pearl to leafgreen but you can migrate Pokemon from leafgreen to pearl via the pal park