u obtain 1 of 2 fossils: the helix fossil (omanyte) or the dome fossil (kabuto).
Seafoam islands, Power plant, Mt ember, Cerulean cave.
Mewtwo, Articuno, Zapdos, Moltres. There at cerulean cave, mt ember, seafoam islands and the power plant.
On top of mt ember.
mt ember on one island
It IS possible! Just keep walking, and going places, you know you are on the right track if you battle a trainer (it took me a while too)
Mt. Moon, Pokemon Tower, Rocket Hideout, Silph Co., Fuchsia City, Victory Road, and Lost Cave.
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 can find some in Mt. Moon
Mt moon can be found on Route 4.
Curilean Cave Mt. Ember/One Island power plant Safoam islands
i dont now about a trainer but you can cathch it at mt moon
Seafoam islands, Power plant, Mt ember, Cerulean cave.
In Pokemon HeartGold and SoulSilver, you can go through Mt. Moon, but the cave is very small and can be explored through in five minutes with Pokemon repellent.
when going through mt. moon you'll find one
Mewtwo, Articuno, Zapdos, Moltres. There at cerulean cave, mt ember, seafoam islands and the power plant.
First you have to catch Mewtwo and then head to Mt Moon at midnight on Monday. Somewhere deep in the cave is were the deoxys are.