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No giant squid has ever survived in captivity because these giant animals of the deeps require extremely high water pressure for the purpose of maintaining its internal osmotic balance.A.
deeps require extremely high water pressure for the purpose of maintaining its
B.
deep requires extremely high water pressure to maintain its
C.
deep require extremely high water pressure in order to maintain their
D.
deeps requires extremely high water pressure so that it can maintain its
E.
deep require for maintenance extremely high water pressure for their
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