the route that sky pillar is on is 111 above the town Mavville city. the sky pillar is in the desert hope this helps
you go in the Bike shop in Mavville City, (right next to the Pokemon center) and the guy will ask you which bike you want. Choose the Mach Bike. You can switch bikes anytime you want, just go there and say yes to the guy.
No.
by trading
You can get a magnemite in New Mauville.
In Pokemon Emerald, it's impossible to leave the Hoenn Region. The Kanto, Johto, and Sinnoh Regions are inaccessible in Emerald. Sorry.
Emerald is located in the Hoen region of the poke-world. Ash is from Kanto, whole new place.
hit new game
go to new game
Watson gives it to you
To get to new mauville
weedle