The Burned Tower is not in Pokémon Emerald. It is found in the Generation II games (Gold, Silver, and Crystal) and their remakes (Heart Gold and Soul Silver).
Brass Tower (Burned Tower) is located in Ecreteak City.
Ecruteak city
he is in the burned tower
The tin tower is a seperate building from the burned tower, the tin tower is the largest tower in Ecruteak City next to the burned tower. You cannot go upstairs where Ho-oh is until you obtain the Rainbow Wing.
you find gastly in the Burned Tower and the Sprout Tower
koffing and possible magby
burned tower
on soulsilver and heartgold it is in ecruteak city
No, it was burned in Gold and Silver as well.
you scare away the legendary pokemon and then leave
Ecruteak doesn't exist in Pokemon Emerald so there is no Burnt Tower.
At burned tower