500
Which of the following is NOT true about glaciations:
W) about 12,000 years ago it was possible to walk from Alaska to Siberia through the Bering Strait
X) throughout history, times of extensive glaciation coincided with low sea levels
Y) the center of a glacier typically moves slower down a slope than do the edges
Z) alpine glaciers exist on nearly every continent
What is Y) THE CENTER OF A GLACIER TYPICALLY MOVES SLOWER DOWN A
SLOPE THAN DO THE EDGES