by winning against gym leaders
You get HM Waterfall at the end of Route 18 on the strip of grass in Pokemon Black.
No, you cannot get the HM Rock Climb in Pokemon Black or White.
Pokemon Black and White don't have HM Whirlpool.
It's not an HM in Black and White.
You cannot get the TM/HM Whirlpool in Pokemon Black or White.
Rock Smash isn't an HM in this game.
yes
HM Waterfall can be found on Route 18 in Pokemon Black and White.
hm im not sure
At nimbasa, in the house northwest of the Pokemon center.
it should tell you when your teaching a Pokemon a TM/hm!
you need the hm surf