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How is it possible for water to cirulate among all four oceans?

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The ocean is in constant movement due to temperature and salinity which causes deep-ocean circulation.

Explanation:

The global conveyor belt is a constantly moving system of deep ocean circulation driven by temperature and salinity

Explanation:

answer; (you have the right of way);

q1: artillery

q2: simon bolivar

q3:   their workers and farmers demanded a return to spanish rule.

q4: drafted new constitutions

q5: oligarchies have replaced monarchies