Who is the largest ocean?
Who is the largest ocean? The Pacific Ocean is the largest and deepest of the world ocean basins. Covering approximately 63 million square miles and containing more than half of the free water on Earth, the Pacific is by far the largest of the world's ocean basins.
How cold is the deepest part of the ocean?
In fact, no matter how warm it is up top, by the time the sub has sunk to a depth of just 1,000 meters (3,280 feet), the water temperature is about 40ºF. From there it continues to drop until, 7,200 feet down, where the smokers are, the temperature is only about 2º to 3ºC (35ºF)—just above freezing!