Students across the country are enjoying a fun summer break, a vacation that many students want. During the summer vacation, we can go on a trip, go back to our hometown to visit our grandparents, relatives, and many friends to go to the beach to play. The sea is very large and vast, but many of you wonder why the sea water is salty. The reason why sea water is salty is that it contains a large amount of salt. The amount of salt in seawater is generated from rocks, and sediments on the sea floor. Not only that, but the amount of salt accumulated in rivers is also one of the reasons why seawater is salty. So when you go to the sea, do not drink sea water because it is very salty and not sure if it is clean.

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-Because sea water contains a lot of salt. On average, the ocean on this earth contains about 4% salt. Equivalent to about 50 million billion tons of salt. The amount of salt in sea water is born from rocks, sediments below. Bottom of the sea. This salt also escapes from volcanic eruptions located deep in the ocean. When rain falls, it dissolves minerals, salts from rocks, and dry soil, sending them out into rivers.Just like that over time, the salt gradually settles into the sea, making the sea water salty. This proves that in the oceans with more and more salt, the sea water is getting more and more salty, it has slowed the ocean currents, affecting the oceans. circulation of essential nutrients in the ocean.

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