USE A FIAH TYPE.
The Gym Leader Clay Uses Ground Types.
The Hearthome gym leader Fantina lets you use surf in Pokemon Diamond, Pearl and Platinum.
no you can't
The fifth gym leader Koga uses Poison type pokemon so your best bet is to use Psychic or Ground types against them. A Kadabra(Alakazam would be even better) can easily take care of all of Koga's pokemon.
if you have Groudon and it has fissure use him..
it would be best to use ghost Pokemon against the gym leader
You use your strong(est) Pokemon to kill the Gym Leader's Pokemon.
The Gym Leader that allows you to use the HM move Strength in Pokemon FireRed is Erika. Erika is the Gym Leader of Celadon City and is the 4th Gym Leader the player faces.
grass and electric types
Ok i don't get you The 1st gym leader is Roark. Candice is the 7th gym leader. Ummm, dude who answered... they mean what Pokemon does Candice use first. and the answer is Snover i guess
USE A FIAH TYPE.
In Pokemon Red/Blue/Yellow and Pokemon FireRed/LeafGreen, the Celadon City Gym Badge is required to use Strength. Gym Leader Erika holds this badge.In Pokemon Gold/Silver/Crystal and Pokemon HeartGold/SoulSilver, the Goldenrod City Gym Badge is required to use Strength. Gym Leader Whitney holds this badge.In Pokemon Ruby/Sapphire/Emerald, the Lavaridge Town Gym Badge is required to use Strength. Gym Leader Flannery holds this badge.In Pokemon Diamond/Pearl/Platinum, the Canalave City Gym Badge is required to use Strength. Gym Leader Byron holds this badge.In Pokemon Black/White and Pokemon Black 2/White 2, Gym Badges are not required to use HMs.
use a good fighting type Pokemon like machoke and use its moves
There are different types of gym leaders and each gym leader has a different pokemon type.
The Gym Leader Clay Uses Ground Types.
That's easy, use psychic or ground pokemon. But psychic are the best.