sorry but you cant, there only on firered, leafgreen and platinum
You don't. Moltres, Zapdos and Articuno are not in this pokemon generation.
Trade from Fire Red
You cannot catch it in platinum but only in ruby, sapphire and emerald.
You can fight in the battle tower, catch the three regis, search for latios/latias, or in emerald you can catch groudon and kyogre
You catch regirock at the desert near maulvil town.you catch registeel west of the safari zone.
nothing really
Yes you can catch the three Legendary birds in Platinum but you'll have to beat the game first and to minor side activites before hand
No I don't believe you can catch a ledyba in emerald
No you cannot catch Celebi in Pokemon Emerald.
You can onl catch LUNATONE in SAPPHIRE but you can catch solrock in emerald
You can't catch it in Emerald. T-T
You can't catch one in Pokemon Emerald.