Match the Items in the First Column with the Correct

Match the items in the first column with the correct descriptions in the second column.
A)enormous mass of ice that flows out in all directions from one or more snow-accumulation centers and completely obscures all but the highest areas of underlying terrain.
B)a stream of ice, bounded by precipitous rock walls, that flows down a mountain valley from a snow accumulation center near its head.
C)frozen seawater.
D)large, relatively flat masses of floating ice that extend seaward from the coast (where they are fed by glaciers)but remain attached to the land along one or more sides.
-9)sea ice
10)ice sheet
11)alpine glacier (or "valley glacier")
12)ice shelf