If you are talking about blue and red (maybe fire red and leaf green i havent played those before) you get them in the safari zone right by the house where you get surf
yes they do
go onto your poke gear and look for the radio icon
Go to the national park and from there you should be able to the pokeathlon dome in poke mon heart gold.
Out of Kurt's balls, the one that would work best is most likely the fast ball.
ALL and i mean ALL types of poke-mon unless your poke-mon is like at least i dont know mab 20-30 levels highr which is kinda hard but dragon, dark, flying, fire, electric all tyepes without all of them its kinda hard even if the poke-mon your battleing iz like 40 levels below you if its a poke-mon that your weak to your gonna need a poke-mon that that poke-mon is weak to so all types of poke-mon will help you along the way. GOOD LUCK!!!!!!
poke ee mon
under the water
a poke mon with big balls
yes
poliwag?
Celadon City
in Cerulean City