Fossils turn into Pokemon like cranidos, shieldon, aerodactyl etc. Revive them at the mining museum in Orburgh Town/City.
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!
Natural gas is a fossil fuel. Other fossil fuels do not "turn into" natural gas.
The dome fossil will turn into kabuto when you give it to the sciencetist in the lab on cinnabar island. In level 40 kabuto will turn into kabutop The dome fossil will turn into kabuto when you give it to the sciencetist in the lab on cinnabar island. In level 40 kabuto will turn into kabutop The dome fossil will turn into kabuto when you give it to the sciencetist in the lab on cinnabar island. In level 40 kabuto will turn into kabutop
Turn out that it is not present (OXYGEN in fossil fuels).
cranidos
Omanyte
The potatoes are not the fossil fuels.But they can turn into fossil fuels once buried in soil for million years.
it turns into lileep
The Dome Fossil can be revived into the pokemon kabuto.
It turns into a Lileep when you give the root fossil to the scientist in Rustboro City.
It turns into Lileep
Fossil fuels are burned to spin a generator which in turn produces electricity.