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Oceanography is the scientific study of the world's oceans, including its physical structures and the living organisms contained in them. There are five oceans. Listed in order of decreasing size, there are the Pacific (the largest on earth), Atlantic (the second largest), Indian (the third largest), Southern (fourth largest), and the Artic oceans (fifth largest).


About The Author

Matt Slick is the President and Founder of the Christian Apologetics and Research Ministry.