Interesting facts about the oceans
Oceans occupy almost 70 percent of the surface of our planet and contain 97 percent of all water on Earth. What other interesting facts hide these depths? About this in our compilation today.
Oceans existed on the planet for 3 billion years before the appearance of life on it.
Today, about 70% of all existing life forms on Earth inhabit the ocean waters.
Oceans are salty due to minerals, innumerable years washed away from the surface and from the depths of the earth by rivers flowing into the oceans.
Over the last century, the level of ocean water has risen by 25 cm.
90% of the volcanic activity on the planet occurs in the oceans.
The Great Barrier Reef, near Australia, is the most densely populated area of the world.
The highest tides on Earth are about 16 meters, and you can watch them off the coast of the United States and Canada, in the Bay of Fundy.
The lowest point of the Earth is located in the western part of the Pacific Ocean - in the Mariana Trench. The bottom of the Challenger Depth is at minus 11,034 m.
The fastest current runs off the coast of Norway. The speed of the Soltfjord reaches 30 km / h.
The most transparent ocean water is in the Weddell Sea off the coast of Antarctica.
And in the Baltic Sea the highest gold content in sea water is recorded.
The speed of sound in water is almost five times higher than that in air.
The average length of the life of an Antarctic iceberg is 4 years. The highest tsunami was about 60 m, while at the bottom of the ocean waves with a height of 100 m and more often rage. It is good that they do not reach the surface!
For about 3.5 billion people, the ocean is their main source of food.
Over 90% of trade between countries is through shipping.
Sharks die every year ten times less people than, for example, from lightning strikes or bee stings. However, it does not occur to anyone to make the bee a symbol of bloodthirstiness.
Every year, three times more waste is dumped into the ocean’s waters than fish are caught.
In the north of the Pacific Ocean, the Eastern Garbage Continental is drifting, a giant patch of hundreds of millions of tons of waste, mostly plastic.