by finding the exit, after you battle the super nerd you will choose a fossil then the exit will be very close.
there is no mt moon in that game. You must be thinking of Pokemon firered or leafgreen unless you mean mt coronet.
mt moon
You have to go through Mt. Moon
You can find some in Mt. Moon
Mt moon can be found on Route 4.
You can find them in mt. moon after you beat the first gym
i dont now about a trainer but you can cathch it at mt moon
when going through mt. moon you'll find one
you beat all of team rocket and then follow the rest of the tunnel
You have to evolve your clefairy using a moon stone. If you don't have a clefairy you can find them in Mt. Moon on the first floor.
you can get mushrooms if you go to mt moon and use the item finder in the lower levels near rocks
In Pokémon LeafGreen, the Move Tutor that teaches Mega Kick is on the route that connects Mt. Moon and Cerulean City.