Answer 1:
Well, the continents are embedded in the plates
of Plate Tectonics,so continents move around. What
happens depends on the relative velocities of the
plates.
The earth is made up of about a dozen of these
plates all in relative motion; some plates are
wholly oceanic and some are mostly continental.
Continental crust makes up about 30 % by area of
the earth surface, roughly.
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