It turns out that the rivers and lakes also have salty water. But the content of salts in them is so small that it is almost invisible. According to the first theory, river waters, falling into the seas and oceans evaporate, and salts and minerals remain. Because of this, their concentration increases all the time and the water in the sea and the ocean becomes salty. According to scientists, the process of salinization of the seas takes place over a billion years. But contrary to the first theory it is proved that the waters in the world ocean do not change their chemical composition for a long time. And those elements that fall into the river water only supports the oceanic composition but does not change. From this follows another theory. The salt has a crystalline consistency. Waves, beating against the shore, are washed by stones. They form lunettes. When the water evaporates, the salt crystals remain in these wells. When the stone is destroyed, the salt again gets into the water and it becomes salty
4. VOLCANIC ERUPTIONS MADE OCEAN WATER SALTY
salt water
The consequence of volcanic activity Scientists has concluded that in the seas water was salty even in those times when the planet did not exist humanity. And the reason for this was the volcanoes. Earth's crust for many years was formed by the release of magma. And volcanic gases contain chemical combinations of chlorine, fluorine and bromine. They got into the ocean waters in the form of acid rain and initially the water in the ocean was acidic. This water broke the crystalline rocks of the earth's crust and extracted magnesium, potassium and calcium. These acids began to form salts, as a result of reaction with solid earth rocks. Few know that the salt habitual for us was formed due to the reaction of perchloric acid from the ocean and sodium ions from volcanic rocks. Thus, the sea water gradually became less acidic and saltier. And by our time a sour taste has disappeared altogether and we are only observing salty sea water. Supporters of this theory are confident that the modern properties of the water of the seas and oceans acquired 500,000,000 years ago. It was then that the Earth freed itself from the volcanic gases and the water composition stabilized. And carbonates that penetrate the sea with the river current, disappear from the water composition due to the inhabitants of the underwater world, which filter and purify the water. They use these minerals to build shells that protect the body from mechanical influences.
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