your mother
NO you can not play Pokemon emerald in Coloseum.
you use pal park to get emerald Pokemon to pearl bur you can't transfer them back to emerald
No.
you can use it to awaken your pokemon in battle
no no
Dawn stones aren't available in Pokemon Emerald. Use Mystery Gift.
I dont have Emerald but I think Lombre does.
to evolve Pokemon
Use a gameshark.
No
No
Lombre and etc