It's because it's the most powerful. Thanks for thwe question.
No.
if you have the machine click on it and if there is the word ABLE on it, it can learn it
bellsprouts can learn it or pikachu (EDIT)** my togepi knows it
you need to pick the grass type Pokemon
krabby
no.
its number 70
you have to beat the elder at violet city
1. its SOUL SILVER and 2. yes you can you can buy it at a department store.
Mostly any pokemon.
no
No, Chikorita is a grass type pokemon.