Why sea water is salty? This question at least once in my life (and, more precisely, as a child) asked each of us.
“the Water wears away the stone". This proverb is very true. Throughout the world there is no solvent stronger than water. It is able to dilute salts and acids, easy to cope with stones and huge rocks.
Rain leached the solid rock, wash them in water. Salt accumulate in the water, making it bitter.
But why should the river remain fresh?
Scientists call for several reasons. Consider the basic theory offered today by experts studying the sea water.
Why sea water is salty? The theory first.
All the impurities within the water sooner or later find themselves in the seas and oceans. Why sea water is salty? Because the river is too salty. However, salt are 70% less than in the ocean. Devices its register, and the taste of river water seems fresh. Running water from rivers enters the ocean, the salts accumulate there. The process is more than two billion years. This time is more than enough ‘to proselyte” a huge amount of water. The water gradually evaporated, fell as rain back into the ocean. Salts and other elements remain the same: they do not evaporate, and only accumulate.
A Good confirmation of this theory are lakes that have no drain: they are too salty.
For Example, Dead sea water (essentially this is a huge closed lake) contains the amount of salt that she is any body pushes to the surface. This lake is the lowest point on the planet, which, moreover, is in a hot place. Because of the climate and evaporation, according to scientists, the salinity of the Dead sea and reached almost 40%. It not found any fish or plants. The appearance of the water reminds us of an oily substance. And at the bottom of the lake instead of the usual silt and salt.
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This theory explains why sea water is salty, has one significant drawback. It does not take into account that the composition of river water are mainly salts of carbonic acid, and in the sea - sodium chloride (common salt).
Why sea water is salty? Second theory.
According to her, initially the water in the ocean was not salty, and sour. Why? Because the period of the birth of the Earth atmosphere was in full swing. Volcanoes “throw” in it many elements spilled acid rain. It was all settled at the bottom of the oceans newborns, making it acidic. Gradually the river was drifting in the ocean eroded rocks, which reacts with the acid. The result stood out the salt that made the water salty. Was also carbonates, but they are very actively used and marine animals, which they build shells, skeletons, and shells.
Long Ago, the process has stabilized, but the water in the seas remain salty. So it remains today.
Both theories have a place, but neither one of them certainly does not explain why the sea and the rivers of different water. Sometimes these hypotheses are complementary, and sometimes deny.
Perhaps very soon there will be a new theory which will give a complete answer to all the people of Earth.
Article in other languages:
KK: https://tostpost.com/kk/zha-aly-tar-o-am/6039-nege-te-z-su-t-zdy-ek-k-z-aras-bar.html
TR: https://tostpost.com/tr/haber-ve-toplum/6043-neden-deniz-suyu-ok-tuzlu-iki-g-r-bir-soru.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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