After beating Brock head East towards Mt Moon. As you travel through Mt Moon you will encounter a Fossil Maniac if you defeat him he will allow you one of his two fossil. You cannot get the other fossil of the two at any point in the game so pick carefully.
For the last in game fossil you need to visit Pewter Museum via the back entrance you will need Cut from the S.S Anne and the badge from Vermillion before you can use cut. In the museum one of the works will give you the old Amber containing Aerodactyl.
amber kauto and amdrie
You revive your Fossils in the Museum that is in Pewter City.
You can't, you have to trade over from FireRed or LeafGreen.
Go to the desert where you obtain the fossils
Fossils can be revived at the Museum in Pewter City.
On cinnabar Island, to the left of the pokemon center, lies a "laboratory". If you go inside, then go to the right and enter the third door. Talk to the Professor there.
You give it to the scientist in the cinnibar island lab that asks for fossils.
Give the fossil to the guy, walk out, and immediately walk back in. It's instantaneous.
go to the Pokemon lab on cinnbar and go to the last room talk to the dude by the machine. he well transform them for you the Pokemon will be at Lv5.
you don't
Yes you can trade leafgreen version Pokemon to another leafgreen version.
u obtain 1 of 2 fossils: the helix fossil (omanyte) or the dome fossil (kabuto).