Which of the following was classified as an ocean most recently

a. the indian ocean
b. the southern ocean
c. the pacific ocean
d. the atlantic ocean

The correct answer is B. The Southern Ocean was classified as an ocean most recently.

Explanation:

The Southern Ocean, also called the Antarctic Ocean, is a part of the world ocean whose existence as ocean and extension are disputed. In general, its existence is recognized from the coasts of Antarctica to 60 ° South, conventional limits with the Atlantic Ocean, the Pacific Ocean and the Indian Ocean. It is the penultimate ocean in extension, the Arctic Ocean being the smallest. The International Hydrographic Organization defined its extension and existence in 2000, coinciding with the limits of application of the Antarctic Treaty, but the decision was not ratified.

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

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