In Goldenrod City Game Corner, exchange 700 coins for it.
Ground type Pokemon like Sanshrew and Onix (Onix is half rock, half ground, like a Geodude)
you need to trade bellsprout, vulpix, and sanshrew from leafgreen and you can get the rest in fire red.
cut is an HM that you can teach mostly to plant and ground Pokemons just like Bellsprout and Sanshrew.
he dosint
around level 20-25
To evolve a Sandshrew level it up to Level 22 and it will evolve into Sandslash.
Pokemon cannot learn Yawn in Pokemon Silver.
you have to edit it and make it the desert type like boaba said sandshrew live in the desert and when i was looking for a sanshrew in the desert type of the safari park i found a whole bunch of sandslashes
Lugia
you can get celebi from a Pokemon silver event
its the silver apercorn in Pokemon silver and its the gold apercorn in Pokemon gold
You can't find Mew in Pokemon Silver.