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The destruction is almost gone.
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The shape of the earthLike a pear, the equatorial part is bulging, which is the "pear body" of the earth; The North Pole is a bit pointed, like a "pear"; The South Pole is a bit concave, like a "pear navel", so the earth is called "pear-shaped earth".
The Earth is one of the eight planets of the solar system.
It is the third planet in descending order from closest to the sun, and it is also the terrestrial planet with the largest diameter, mass and density in the solar system.
100 million kilometers from the sun. The Earth rotates from west to east while revolving around the Sun.
It originated from the primordial solar nebula 4.6 billion years ago. The earth has a core, mantle, and crust structure inside the earth, and a hydrosphere and atmosphere on the outside of the earth.
and magnetic fields. The Earth is the only celestial body in the universe where life is known to exist, and it is home to millions of living beings, including humans.
The importance of the earth to humanity.
Now many of the earth's ** have been repaired, but in fact, the earth is no longer what it was at the beginning. Because of the wanton destruction of human beings, the earth has long been scarred. Forty-three years ago, the earth still had 70% of the oceans and most of the forests, presenting us with a beautiful landscape.
Now, due to the development of science and technology, the development of people in all aspects has also accelerated the destruction of the environment, and the green vegetation on the earth has suffered a lot of damage, and the blue ocean is no longer so clear.
The earth is very important to human beings, it can be said that it is an important place for human survival, and it is also the common home of human beings. If we lose our homeland, we are not far from extinction. Nowadays, countries are also actively protecting the environment.
At the same time of scientific and technological development, we should also pay attention to the development of ecology, so that the earth will always remain young.
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The Earth is an irregular spheroid. Earth is one of the eight planets in the solar system, the third in order of near and far from the sun, and it is also the terrestrial planet with the largest diameter, mass and density in the solar system, 100 million kilometers away from the sun. The Earth rotates from west to east while revolving around the Sun.
The surface area of the earth is 100 million square kilometers, of which 71% is oceans and 29% is land.
The Earth's equatorial radius is kilometers, the polar radius is kilometers, the average radius is about 6,371 kilometers, and the equatorial circumference is about 40,076 kilometers.
The Earth's land and sea distribution. The earth is land, and the rest is water. The land mass is mainly in the northern hemisphere, with five continents, namely Eurasia, Africa, America, Australia, and Antarctica, as well as many islands.
The ocean includes the Pacific, Atlantic, Indian, Arctic and Southern Oceans and their affiliated seas. The coastline is 10,000 kilometers long.
The first earth was an ocean!
Before the age of dinosaurs, who was the overlord on earth? After reading the long insight!
Taoism: The first level, the hell of tongue pulling.
Those who are alive sow discord, slander and harm others, are flamboyant, speak skillfully, lie and deceive others. After death, he was sent to the hell of pulling out his tongue, and the little ghost broke open the mouth of the person, clamped the tongue with iron tongs, and pulled it out alive, not all at once, and the name of hell was the fifth. >>>More
If I hadn't gone to school, I would have been married and had children, and my children would probably have gone to elementary school. Every day is busy because of the children.
I used to like this person very much, but now she has a family, a stable job, and a very happy family, and I bless her.