The Pokémon Lab, found at the southwest corner of Cinnabar Island. Talk to the scientist in the Testing Room, the room furthest to the east side of the building, and he will take your fossil to revive it. Exit the room, and the next time you enter and talk to him, he'll give you the resurrected Pokémon.
You can turn in your fossil in the Nacrene museum. Speak to the lady on the right. There, the lady will change the fossil to a pokemon!
The ocean one in the museum.
i think you have to give the fossils to the museum in pewter city
dome is kabuto helix is omanyte
omyte and kabuto
The Dome Fossil can be revived into the pokemon kabuto.
Helix
You Cant
Fossils cannot be created in Pokemon FireRed, there is a finite number of them to find.
The Left One
If taken to cinnbar island's research lab you can revive the Pokemon inside the fossil which will be Kabuto.
At cinnabar island at the pokemon lab third door.
You can turn in your fossil in the Nacrene museum. Speak to the lady on the right. There, the lady will change the fossil to a pokemon!
cinnabar island research center
Take it to the museum in cinnabar city to have it revived
The ocean one in the museum.
Yeah you can. You can ask a friend who has one of the Kanto Games to trade a Pokemon holding the fossil and you can regenerate it, breed another Pokemon of the fossil it regenerates, then trade back!