2)There's up to US$60 billion in sunken treasure sitting at the bottom of the world's oceans.
3)The worlds oceans contain nearly 20 million tons of gold.
4)Earth's oceans:Arctic,Atlantic,Indian,Pacific,Southern
6)Area: about 140 million square miles (362 million sq km), or nearly 71% of the Earth's surface.
7)More than 97% of all our planet's water is contained in the ocean
8)Average Depth: 12,200 feet (3,720 m).
9)More than 3.5 billion people depend on the ocean for their primary source of food.
10)During winter the Arctic Ocean is almost completely covered in sea ice.
11)The world’s oceans contain enough water to fill a cube with edges over 1000 kilometres (621 miles) in length.
12)The longest continuous mountain chain in the earth resides in the ocean at more than 40,000 miles long.
13)While some disagree on whether it is an ocean or just part of larger oceans, the Southern Ocean includes the area of water that encircles Antarctica.
14)Amelia Earhart became the first female to fly solo across the Atlantic Ocean in 1932.
15)The average temperature of the oceans is 2ºC, about 39ºF
16)Over the past decade, an average of 600,000 barrels of oil a year has been accidentally spilled from ships
17)90% of all volcanic activity occurs in the oceans.
18)Jellyfish are the ocean's most efficient swimmers, consuming 48% less oxygen than any other swimming animal.
19)The blue whale, the largest animal on our planet ever (exceeding the size of the greatest dinosaurs) still lives in the ocean; it's heart is the size of a Volkswagen
20)The largest ocean on Earth is the Pacific Ocean, it covers around 30% of the Earth’s surface.
21)The Bermuda Triangle is located in the Atlantic Ocean, check out our Bermuda Triangle mystery facts.
22)The top ten feet of the ocean holds as much heat as the entire atmosphere.
23)Europe and Africa are only separated by 14.3 km (8.9 mi) of ocean and there are talks of creating the longest bridge ever.
24)The color blue is least absorbed by seawater; the same shade of blue is most absorbed by microscopic plants, called phytoplankton, drifting in seawater
25)Oil is one of the ocean's greatest resources.
26)Ocean has underwater mountain ranges which are 20 times more in length than the himalayan mountain range.
27)The Pacific Ocean is surrounded by the Pacific Ring of Fire, a large number of active volcanoes.
28)The world's largest underwater volcano, Tamu Massif, is the size of New Mexico.
29)Underwater lake which contain species only lives in it.
30)Sunlight goes only 1000 metre deep while the average depth of the ocean is about 4000 metre (4 km).
31)29,000 rubber ducks were lost at sea in 1992, and are still being found, revolutionising our knowledge of ocean science.
32)The third largest ocean on Earth is the Indian Ocean, it covers around 14% of the Earth’s surface.
33)A man called Harold Hackett has put over 4800 messages in bottles into the ocean and has gotten 3000 responses back.
34)The Pacific Ocean contains around 25000 different islands, many more than are found in Earth’s other oceans.
35)Almost all living creature lives underwater have its own light source because of darkness.
36)70% of the oxygen we breathe are produced by the oceans.
37)14 billion pounds (6B Kg.) of garbage are dumped into the ocean every year. Most of it is plastic.
38)The deep sea is the largest museum on Earth: There are more artifacts and remnants of history in the ocean than in all of the world’s museums, combined.
39)100% of the earth's ocean floor has been mapped to a maximum resolution of around 5km.
40)We have only explored less than 5 percent of the Earth’s oceans. In fact, we have better maps of Mars than we do of the ocean floor .
41)The Atlantic Ocean’s name refers to Atlas of Greek mythology.
42)The Bermuda Triangle has as many ship and plane disappearances as any other region of the ocean.
43)If we could capture just 0.1% of the ocean's kinetic energy caused by tides, we could satisfy the current global energy demand 5 times over.
44)There's an ongoing decrease in the pH of the Earth's oceans: they are 30% more acidic than in 1751.
45)Australia uses the motion of the ocean to generate zero-emission electricity and desalinate water simultaneously.
46)There's a "sea organ" built on the coast of Croatia that plays music like an organ when waves crash in and out of it.
47)There is a reservoir of water 3 times the volume of all the oceans deep beneath the Earth's surface.
48)The most remote point in the oceans is called Point Nemo
49)A soup of plastic pollution has been found at the centre of all the world's major gyres — in the South Pacific, the North and South Atlantic and in the Indian Ocean.
50) Oceans hold around 50 times more carbon than the atmosphere
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