Cinnabar
that makes no sense!
You cannot get Cacnea in PKMN Firered because Firered is in Kanto and Cacnea makes its first appereance in Hoenn
You can't get a game in a game that makes no sense. If you are refering to trading that is a different story
Moonstone makes pokemon evolve.
it makes wild Pokemon less likely to appear
i know only a few 1: skull fossil makes a CRANIDOS 2: helix fossil makes an OMANYTE 3: *somthing* ember makes the pterodactyl pokemon 4: root fossil makes a LILEEP
Technically yes and no a GHOST can't be captured but with the silph scope you can reveal the Pokemon's true identity which is gastly which is a ghost Pokemon so that makes sense.
Pokemon Firered ad Leafgreen, the GBA remakes of the original games, red and blue, that was only the start of the USA Pokemon revelution. The game brings players back to the original region of kanto. I guess that's what you're asking, because your queston makes no sense.
You can buy them anywhere, but you have to beat some gyms. That makes the Pokemarts get new items.
You don't need a Evolution Stone, you need to simply level it up to 32.
It makes your opponent's pokemon's speed sharply fall
Isn't that only In Yellow version?