well when you battle it on platinum is ROAR OF TIME, SLASH, EARTH POWER, HEAL BLOCK. it can learn more though
you can't catch dialgas anywere
Aura sphere lv 90, Roar of time, Flash cannon lv 80, and Earth power
You are able to obtain dialgas' picture after you encounter it
yes it is because palkia is dragon and water and dialga is dragon steel so dialgas steel moves arent very effective.
palkia
In the National Dex.
you cant
Dialga has no evolution stage.
Yes but only if you trade or have an AR.
You canot a dialga egg in pokemon black and white.
When you see Dialga. Look around (I think its south) You'll find it.
Nope. Like almost all Legendaries, Dialga is genderless and will not breed.