Rock-types are based on stone. Some are actually made of stone (Onyx, Geodude) or come from stone, ie, are fossil pokemon, like Lileep.
Ground pokemon represent burrowers and underground dwellers. Sandslash is one, Onyx is also one.
Many Types, but Rock and Ground in particular.
rock and ground
Fire type weaknesses is water,rock,and ground,
Water, ground, grass, steel, and fighting types are good.
They are strong against Grass, Steel, Bug, and Ice.
Many Types, but Rock and Ground in particular.
Water, ground, and rock.
Rock and ground types
Fire Pokemon are weak against water types, rock types and ground types.
Actually there is no Pokemon fully unaffected to fire types but there are some that are resistant like water, ground, and rock just examples
The trainers have various types, The gym leader has rock and ground types.
flying types weaknesses are rock type and electric type.
rock and ground
rock ground flying grass
The 8th Gym Leader has electric type pokemon. Your best bet to defeat him is Ground or Rock pokemon. Electric types are not effective against ground types.
Dark, Ghost, Water and Ice, Dragon, Steel and Rock and Ground.
Grass type Pokemon are strong against Water, Ground and Rock.