You can't make Glalie learn Explosion in "Pokémon XD" however in order for it to learn Explosion you could trade it over to FireRed, LeafGreen or Emerald and have a Move Tutor in 1 of those games teach Explosion to your Glalie.
it will learn sheer cold at level 78
Pokemon cant on mystery dungeon
I have a Lapras with surf.
no.it only learns it in Pokemon XD gale of darkness.
Piplup will learn peck in Pokemon in level 15 of Mystery Dungeon Explorers of Darkness. Peck is when the foe is jabbed with a sharply pointed horn or beak.
A typlosion can learn explsion
No Pokemon can learn explosion by level up. Only Lickilicky can learn explosion by TM.
Explosion is not a tm so cannot be found anywhere. However a variety of Pokemon learn Explosion naturally such as Koffing, Geodude and Voltorb.
Almost any rock type.
it will learn sheer cold at level 78
yes all you need is the TM and a Pokemon that can learn it.
Pokemon cant on mystery dungeon
I have a Lapras with surf.
oioipo
no.it only learns it in Pokemon XD gale of darkness.
Piplup will learn peck in Pokemon in level 15 of Mystery Dungeon Explorers of Darkness. Peck is when the foe is jabbed with a sharply pointed horn or beak.
The Pokemon that can learn Ice-type moves in Pokemon Ruby would include Swampert, Tentacruel, Golduck, Seel, Dewgong, Cloyster, Vaporeon, Octillery, Suicune, Sealeo, Walrein, Jynx, Articuno, Swinub, Glalie, Laapras, Kyogre, Hitmonchan and Medicham.