It is in Routes 34, 35 and 37.
first of all it is drowsee and no...
You can only catch Zapdos in Crystal by cheating. otherwise it is not in the game
Find the crystal onix, make it weak and catch it with your best ball
Rayquaza isn't in Crystal.
you don't catch articuno in crystal but you can get one from red, blue or yellow.
You can't catch Mewtwo in Gold, Silver, or Crystal. But you can catch it in HeartGold and SoulSilver in the Cerulean Cave at Lv70.
it evolves at level 26.
I wouldn't. I'd catch your stupidity.
You cant catch Articuno in Pokemon Crystal, only in Blue, Red and Yellow. But i am not sure about that.
no.
you can't
mt.silver