The correct spelling is Venusaur.
Yes
You have to use the TM10 to get earthquake. Venasuar doesn't learn it on its own
you can only get it in the beginning
What you do is play his attraction
Trade from FireRed or LeafGreen.
you have to get a bulbasaur for starter Pokemon and evolve it to a venesuar
It depense on their lvl
you can't
Pikachu Lapras Charizard Venasuar Blastoise Snorlax
Ivasaur evolves into venasaur at level 32 I hope this helped From Pokepal
All I know of is Blaiziken, Skitty, Glaceon, Munchlax, Wortrortle, and Beautifly
beat venasuar in meadow zone and befriend all Pokemon in meadow zone