That item does not exist in firered.
It depends which kind. You can find them anywhere!
snorlax givs munchlax
Yes I think so
You can find one on Route 38.
You put rock insence on a sudowoodo and you breed it.
Mt. Pyre in Ruby/Sapphire/EmeraldLost Cave in FireRed/LeafGreenRoute 204 in Diamond/Pearl/Platinum
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.
There is no Pokemon convention in firered.
To get Pokemon firered on PC download a vba and Pokemon firered ROM
Yes there are shiny Pokemon in firered
You give it to your Pokemon and if you battle a trainer, you get double the prize money, like a luck insence
It is not possible to get a ninth badge in Pokemon FireRed. You can only get eight badges in Pokemon FireRed.