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Oceans (geographical term).
The world's oceans are generally divided into oceans and smaller seas. The four main oceans are the Pacific, Atlantic and Indian Oceans, and the Arctic Ocean (some scientists have added a fifth ocean, the sea near Antarctica), most of which are bounded by land and seabed topography.
The ocean is the central part of the ocean and the main body of the ocean. The total area of the world's oceans accounts for about 89% of the ocean area. The water depth of the ocean is generally more than 3,000 meters, and the deepest depth can reach more than 10,000 meters.
The ocean is far away from the land and is not affected by the land. Its water temperature and salinity do not change much. Each ocean has its own unique system of currents and tides.
The water of the ocean is blue in color, with great transparency, and there are very few impurities in the water. There are 4 in the world, namely the Pacific Ocean, the Indian Ocean, the Atlantic Ocean, and the Arctic Ocean.
The sea, at the edge of the ocean, is an appendage of the ocean. The sea covers about 11% of the ocean, and the water depth of the sea is relatively shallow, with an average depth of several meters to two or three thousand meters. The sea is close to the mainland, and the temperature, salinity, color and transparency of the sea are affected by the land, and there are obvious changes in the temperature, salinity, color and transparency of the sea.
In summer, the sea warms and in winter the water temperature decreases; In some areas, the sea water is still frozen. In places where large rivers flow into the sea, or during rainy seasons, the sea becomes lighter. Due to the influence of land, the river carries sediment into the sea, and the coastal sea water is turbid, and the transparency of the sea water is poor.
The sea does not have its own independent tides and currents. The sea can be divided into marginal seas, inland seas, and the Mediterranean Sea. The marginal sea is both the edge of the ocean and the frontier near the continent; This type of sea is widely connected to the ocean, usually separated from the ocean by a group of islands.
The East China Sea and the South China Sea are the marginal seas of the Pacific Ocean. Inland seas, i.e., seas located within continents, such as the Baltic Sea in Europe, etc. The Mediterranean Sea is a sea between several continents, and the water depth is generally deeper than that of inland seas.
The world's main seas are close to 50. The Pacific Ocean is the most numerous, followed by the Atlantic Ocean, and the Indian Ocean is about the same as the Arctic Ocean.
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The five good names of the ocean: the oceanOcean, the sea, the blue waves, the north of the underworld.
1. First of all, know that the sea (sea, hǎi) is also called"The sea", refers to"Ocean"Connected large areas of saline water, i.e., deficit appendages at the edge of the ocean. Usually large inland salt lakes.
There are no large saltwater lakes connected to the sea, such as the Caspian Sea.
The Sea of Galilee is not a tassel finger"Sea"。
2. "Sea" used to be synonymous with direction, and there is a saying in ancient books that "the four seas are still in all directions". This shows that in the minds of the ancients, the sea was the end of the world, so it could be the name of the direction. The answer to the reason why the ancients formed this concept of space can be found from the sound training of the ancients on the word "sea".
The sea, obscure.
3. The family fiber "the sea, obscure and ignorant." "The ancients were meant to reveal the reason for the name of the word. Therefore, the interpretation of "sea" with "obscurity" actually shows such a historical fact:
Due to the lack of navigational ability, the ancestors faced the endless sea, but they could only sigh with hope and sigh without knowing the details, let alone the new continent beyond the sea.
So I think of it as the end of the world.
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I like the North Underworld, I like the turquoise and white water that is whiter than you.
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The elegant names of the sea are Tianqi, Mingsheng, Giant Gully, Great Gully, Water KingToyo, morning and evening pond and so on.
1. Tianyi: refers to the sea.
2. Mingsheng: Minghai and rising sea refer to the sea.
3. Giant gully: refers to the sea, deep ravines and valleys.
4. Big gully: It means the sea, also known as the giant gully.
5. Water King: refers to the sea.
The sea is the general term for the most expansive body of water on Earth. The surface of the earth is divided by major landmasses into a vast body of water that communicates with each other called the sea, the central part of the ocean is called the ocean, and the edge part is called the sea, which communicates with each other to form a unified body of water.
The importance of the ocean to humanity:
1. The ocean is the real cradle of life on the earth, and the earliest life was born in the ocean.
2. The ocean is the main receiver and accumulator of solar energy reaching the ground.
3. The ocean indirectly affects the climate and various natural phenomena affected by the climate with the help of its own material and energy exchange process with the atmosphere.
4. The ocean is an important regulator of temperature.
5. Marine chemical resources and mineral resources.
Power resources and biological resources have an important impact on human production and life.
6. The surface of seawater evaporates and absorbs heat. Seawater flows, using waves, tides, and currents to spread heat throughout the water body.
7. The ocean can be used as a water vapor over the land. The main water vapor on the ground is air vapor, and most of this water vapor is made up of the ocean.
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The ocean is called the "heart of the earth", the wet forest is called the "kidney of the earth", the forest cavity is called the "lungs of the earth", the green space is called the "liver of the earth", the soil is called the "spleen of the earth", and the ocean is the general term for the most extensive water body on the earth.
The surface of the earth is divided by major landmasses into vast bodies of water that communicate with each other called oceans, the central part of the ocean is called the ocean, and the marginal part is called the sea, which communicates with each other to form a unified body of water. The total area of the Earth's oceans is about 100 million square kilometers, or about 71% of the Earth's surface area.
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The Earth's surface is divided by land into vast bodies of water that communicate with each other, known as oceans, with a total area of about 3.6 billion square kilometres, or about 71 of the Earth's surface area
Oceans A collective term for the sea and the ocean.
Sea The part of the ocean close to the land, some large lakes are also called seas, such as Qinghai and the Caspian Sea.
Ocean The vast area of the earth's surface covered by water, about seven-tenths of the earth's area, is divided into four parts, namely the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, and the Arctic Ocean.
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