Ok, so imagine you have a GRIMER. You are not going to want to battle againt a GRASS, GHOST, GROUND or ROCK type. It would also be an idea to fight fire with fire. (or in your need, POISON with POISON).
psychic pokemons are very effective against poison types.. also the ground types...
Ground and psychic type attacks are both super-effective against a poison type pokemon.
Psychic types are super effective against Poison types.
It is a Poison-Flying type. It evolves into Golbat.
Good against: Grass Bad against: Poison, Ground, Rock, Ghost, Steel
Garbodor is POISON type, so PSYCHIC or GROUND moves are effective.
Poison is very effective against grass pokemon.
ground type Pokemon are super effective against poison type Pokemon.
Cause it doesn't poison YOU, it poisons your mitochondria (which kills you).
Ground and psychic type attacks are both super-effective against a poison type pokemon.
houndoom
Psychic and ground type moves are super-effective against poison types I tried using fighting moves, and they were not very effective
Psychic types are super effective against Poison types.
Mustard Gas WAS very effective.
a psychic type attack
Arsenic
poison
Because the poison gas would kill them to