80% of the earth's biological resources are in the ocean. Without destroying the ecological balance, the ocean can provide 3 billion tons of aquatic products every year and can feed 30 billion people. Among marine aquatic products, people eat the most fish. There are more than 20,000 kinds of fish in the world, and there are about 2,000 species in China's waters. Most of the world's fisheries are located on the continental shelf.
On the southern coast of the Mediterranean Sea, there is a place called Tunisia. In the nearby Madia Sea area, 40 meters underwater, many marble columns were fo···...
Are there any hot springs under the sea now? What do hot springs under the sea look like? In the past 20 years, after repeated investigations by scientists, the···...
On November 15, 1963, 32 kilometers south of Iceland in the North Atlantic, a submarine volcano 130 meters below the sea suddenly erupted, ejecting volcanic ash···...
People have backbones, and ships have keels. This is an important pillar for people and boats to take a certain shape. Therefore, people can stand between heave···...
Opening the world map, a strange phenomenon immediately comes into view. On the west side of the Pacific Ocean, there are a series of islands arranged in an arc···...
The continental shelf is a natural extension of the continent. The slope is generally small and there are not many fluctuations. The total area of the world's c···...
The seafloor is part of the earth's surface. The seabed is not as flat as we imagine. If the sea really turns into a mulberry field, we will find that the appea···...
The theory of plate tectonics is derived from the study of the seafloor and is a key to understanding the shape of the earth. Schematic diagram of plate tectoni···...
As early as 1620 AD, the Englishman Bacon had discovered that on the globe, the east coast of South America and the west coast of Africa can be perfectly connec···...
How were oceans formed? Where does seawater come from? At present, science cannot give a final answer to this question. This is because they are connected with ···...
In the South Pacific, between Australia, Papua New Guinea, the Solomon Islands, the New Hebrides Islands, New Caledonia and the 30th parallel south, there is a ···...
A bay in the eastern Atlantic Ocean, bordered partly by England and Scotland to the west, Norway, Denmark, the Federal Republic of Germany, the Netherlands, Bel···...
A marginal sea in the western Atlantic Ocean. It is bordered to the west and south by Central and South America, and to the north and east by the Greater and Le···...
Located on the northern edge of the Pacific Ocean, surrounded by Alaska, Siberia and the Aleutian Islands. It is generally accepted that the northern boundary i···...
A marginal sea in the western Pacific. It is bounded by Japan's three major islands (Kyushu, Honshu and Hokkaido) to the east; North Korea to the west and s···...
Going south from the East China Sea through the narrow Taiwan Strait, we enter the turbulent South China Sea. The South China Sea is the deepest and largest sea···...
Between northern Africa and the Arabian Peninsula, there is a bright red sea. This is the Red Sea. It is a subsidiary sea of the Indian Ocean. The Red Sea is li···...
Let us open the world map and we can see that there is a sea between Europe, Asia and Africa, which is the Mediterranean Sea. It is the largest intercontinental···...
The Arctic Ocean is roughly centered on the Arctic Circle and is located at the northernmost point of the earth. It is surrounded by the European continent and ···...
The Indian Ocean is between Asia, Africa, Oceania and Antarctica. It is the third largest ocean in the world, with a total area of 74.917 million square kilomet···...
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