09/02/12 07:50:10
The glaciers, in turn, caused significant drops in sea levels, and as a result, new land masses, which were part of the ocean floor before, coame into view and sometimes connected separate land masses.
In this way, a great number of small islands in the sea aruound Japan today would have been connected to the contient during ice ages in the past, and many animals could have moved to Japan from the continent.
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