GEOLOGY

Detailed explanation-1: -Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, most countries-including the United States-now recognize the Southern (Antarctic) as the fifth ocean.

Detailed explanation-2: -The Seven Seas include the Arctic, North Atlantic, South Atlantic, North Pacific, South Pacific, Indian, and Southern oceans. The exact origin of the phrase ‘Seven Seas’ is uncertain, although there are references in ancient literature that date back thousands of years.

Detailed explanation-3: -The five oceans from smallest to largest are: the Arctic, Southern, Indian, Atlantic and Pacific.

Detailed explanation-4: -Soon after, the National Oceanic and Atmospheric Administration (NOAA) recognized the body of water as the fifth ocean in 1999 after the Board of Geographic Names approved the title, “Southern Ocean, ” reports Paulina Firozi for the Washington Post.

Detailed explanation-5: -National Geographic decided to designate the Antarctic waters as its own ocean (instead of merely southern parts the Atlantic, Indian and Pacific) to bring awareness to, and promote conservation of the waters.