Find the warden's gold teeth in the safari zone then give them to him.
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.
Strenght is an HM move, teach it to one of your'e pokemon. to use it just select your'e pokemon and select strenght.
To get Pokemon firered on PC download a vba and Pokemon firered ROM
Yes there are shiny Pokemon in firered
You cannot get it in Pokemon FireRed. It doesn't matter because it is not necessary in Pokemon FireRed.
It is not possible to get a ninth badge in Pokemon FireRed. You can only get eight badges in Pokemon FireRed.
Celebi cannot be found in Pokemon FireRed. The only way to get Celebi in Pokemon FireRed is receiving it from an event distribution. These events are sadly no longer supported for Pokemon FireRed.
House above Nimbasa City Pokemon Center
With hm strenght.
To use strenght outside battle you need: A Pokemon that knows strenght or the HM so you can teach it to a Pokemon The Mine Badge from Byron in Canalave City. Have a Pokemon knowing strenght on your team and go to a place where you need strenght. Press A in front of the big, grey boulder you want to move and use strenght. Now when you walk, you'll push the boulder in front of you. You don't have to use strenght for every new boulder, you'll only have to re-use it if you go in another room.
you have to get sneasol by trading in leaf green. You can not get that Pokemon in firered.