You beat a grunt, and when you beat him he drops the LIFT KEY and you can use it to get to the top floor and face Giovanni ;D
The Magma Base doesn't exist in Sapphire Version, but the team Aqua's Base is located outside of Lilycove City.
Get the Silph Scope from the Celadon Rocket Hideout, then ascend to the top of the Pokemon Tower. Then, you'll be able to identify Marowak and defeat it to lay it to rest.
First go to mt pyre get the magma emblem then go up jagged pass on the acro bike. the floor will start to vibrate and the cve will appear
A fake version of Pokemon gold
If you can trade Pokemon from crystal version to gold version my guess is yes
go to silph co
In pikachu's snatch
well i now a Pokemon, it's called Morpheus. You get it from the first team aqua hideout
The Magma Base doesn't exist in Sapphire Version, but the team Aqua's Base is located outside of Lilycove City.
clear out the rockets in celadon city
You'll need to team up with Lance and defeat Team Rocket's Hideout and then he'll be in the Gym waiting for you.
You're in team rocket base, right? If you are then keep defeating people until one says "whoops I dropped it" then you pick it up and there you have it you can use the elevator.
in the hideout of teamrocket
You most surf from lilycove city after you have beaten team aqua in their hideout, and the wailmers or whatever pokemon that was in the way will go away.
okay if you want to get palkia you have to go to mt. coronet after rescuing azelf ,mespirit, and uxie in the galactic hideout.
Get the Silph Scope from the Celadon Rocket Hideout, then ascend to the top of the Pokemon Tower. Then, you'll be able to identify Marowak and defeat it to lay it to rest.
get the first master ball from aqua's hideout outside of lilycove.. and then use the "cloning" glitch available in any emerald version :)