Water - the most important substance on our planet
. First and foremost, because we need to survive. We are made out of it by 70-80%. It is omnipresent. Even our bones for 15% of water. It is almighty. In it occur all the chemical processes in the body. It regulates body temperature, is involved in the transport of nutrients. The first life appeared in water. Since each of our cells depends on it.
1. With the loss of 2% water by weight the person has the desire, the loss of 6-8 percent - faint and dizzy when they lose 10% - start hallucinating and there are problems with swallowing. With a shortage of 12% - people die.
2. As part of the Earth's mantle water contains 10-12 times more than in the oceans.
3. Only 3% of water on earth - fresh, and most of it is contained in glaciers. And only 1.1% of water on Earth is suitable for drinking.
4. Caffeine and alcohol lead to dehydration. At each drunk a cup of coffee or a portion of alcohol to drink extra glass of water.
5. The blue color of clean ocean water due to selective absorption and scattering of light in water.
6. Sea water freezes at a temperature of - 1,91 C
7. Water reflects 5% of sunlight, while the snow - about 85%. Under the ice of the ocean gets only 2% of sunlight.
8. Ice cold is not the same. Ice cold Antarctic glaciers t =- 60 deg. Greenland glaciers t =- 28 deg. On the Alps t = 0 deg.
9. The total area of snowflakes in one gram of snow is 0.06 - 0.37 square meters.
10. The biggest dam in the world keep its reservoirs as much water as it around the North Sea.
11. Very high transparency of water have the Sargasso Sea, located in the western Atlantic Ocean.
12. The most dead lake is Death in Sicily. From the lake bottom beat 2 sources of concentrated acid, poisoning the water.