Blue llt are chem created when a crevice in the ice sheet
til up with melted water and freeze. o quickly that no bubbles bun.
When an ioebeu IN into the a my awatar can
e I. fthe ' h in algae. it can fem] a
Bram]. black and yellow lines are caused 17, picked up
when the ice sheet grinds downhill tow (h a.
Prettyer Well froze comida h'