Erkinboyeva Hulkar
In fact, water is a priceless gift of nature, without water there would be no life on earth. Most scientists agree that the first simple organisms appeared in water. As long as there is water, the world of plants, animals and we humans are alive. Since ancient times, people considered water to be sacred, revered water, worshiped water, built their dwellings in places with water sources, on the banks of springs, streams, lakes, and near them. They engaged in agriculture using water efficiently. “Avesta”, the holy book of Zoroastrianism, which was created in the territory of our country 3000 years ago, mentions how sacred the blessing of water is, and the vitality of existence is connected with it. , if he pollutes the water, whether he is a governor or an ordinary person, he is severely punished and expelled from his ranks.
The hydrosphere has always influenced the biosphere layer of the earth. There is a certain amount of water in the body and organism of all types of plants, animals, in the composition of natural mineral deposits, rocks, earth, soil, and the atmosphere. Water is found on Earth in 3 different states: liquid, gas (steam) and ice. Water is the main factor of life, 80-90% of the plant body, 75% of the animal body, 2/3 of the human body, or more than 70%, is water. Under the influence of water, the process of substance exchange takes place in all cells of the body. Various compounds formed from the nutrients taken into the body are delivered to the relevant tissue cells and assimilated by means of water. About 80% of blood and flesh in a living body consists of water. According to medical information, when the human body loses 6-8% of water, the temperature of the human body rises, the skin part heats up, and the heartbeat and breathing accelerate. As a result, a deep weakness appears in the whole body, and a person’s head hurts. If 12% of the water in the human body is lost, it is inevitable that a person will die. In particular, moderate climatic conditions prevail at latitudes of 40 degrees north and 40 degrees south, and each human body needs an average of 2-3 liters of water per night. In hot climate regions, one person needs 6-8 liters of water per day.
3/4 of the planet’s territory is occupied by water environment, its total reserve is equal to 1.5 billion cubic km. 94% of this amount is the water of extremely salty seas and oceans. Ice in the poles and high mountains contains only 2.2% of the total water on earth. The share of rivers, lakes, springs and various underground freshwaters is only 0.6%. Every year, 41,500 cubic km of water flows from the land on the earth and falls into the ocean. This amount of water is 1.5 times more than the water of Lake Baikal. 56% of the annual water flow on land goes to the Atlantic Ocean and the Arctic water basins, 44% to the Pacific and Indian Ocean water basins, and 2.5% to closed water basins. These indicators show that our planet has few fresh water reserves and is very unevenly distributed over the surface of the earth. Equatorial and temperate regions are better supplied with water compared to other regions. Therefore, we should understand that water is the most necessary element of life and we should not waste it.
Author: Erkinboyeva Hulkar
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