Have you ever stopped to think about why sea water be salty? In summary, this phenomenon is related to mineral salts present in the abundant liquid.
These salts come from various sources, which actively contribute to the salinity of the ocean. Let's understand this matter better!
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The erosion of underwater rocks is a potentiality in the salinity of the water, precisely because these rocks carry minerals that are dissolved in the hydrographic basins where they are located.
We can see in the composition of the water sodium chloride, the famous table salt and other ions, which end up being transported to the oceans.
The atmospheric interaction is also one of the reasons for the accentuated salinity of the water, mainly in what concerns regarding the evaporation of the oceans, a recurring phenomenon that is linked to the formation of clouds and precipitation.
However, when water is evaporated from the water layer, the salts contained in it remain in the ocean, strengthening the salinization cycle.
Undersea volcanic emissions also release gases and materials from the Earth's interior directly into the Earth's interior. water, which are dissolved and become part of the liquid.
The rivers that flow into the seas carry with them a large amount of dissolved salts, also giving their share of contribution to the salinity of the sea when they come into contact with the ocean.
Time is also an agent in the saline composition of the seas, gradually increasing, as the water evaporates, but the salts remain, making the water even saltier.
Scientists claim that the main concentrated salt in water is sodium chloride (NaCl), however, there are other salts and minerals in smaller quantities, which, to a lesser extent, make up the salinity of the water.
Approximately 3.5% of salt is found in ocean waters, which means that in each liter of sea water there are about 35 grams of dissolved salts. This amount can vary according to each ocean and at different depths.
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