tall grass, water, sand, and cement in the castelia sewers
Yes
There are 300 Pokemon in the Pokemon Black 2 and White 2 Unova Pokedex.
Route 20 does not exist in Pokemon White, but does in Pokemon White 2.
Reshiram is not in Pokemon White you need to trade either with Pokemon Black or Pokemon White 2.
White Kyurem
all Forget the previous answer and play black/white then black/white 2
Zekrom. It is Pokemon White's mascot, NOT Pokemon Black's, as a common and logical error states BUT its vise versa in pokemon black 2 and pokemon white 2 so if u want to get a zekrom (advise: hes better) i suddegest pokemon black 2 but pokemon white 2 is a better game
TM35 (Flamethrower) can be found on Route 23 in Pokemon White 2.
White 2: White Kyurem Black 2: Black Kyurem Black 2 and White 2: Therian forms of Tornadus, Thunderus and Landorus.
Yes
Pokemon Black and White, released to Japan on September 18th, 2010 and to North America on March 6th, 2011
No, Pokemon Black 2 and Pokemon White 2 will be available for both the Nintendo DS and Nintendo 3DS.