Question

What are the reasons of high Salinity in the Oceans? What are the uses of salt in the
ocean to us?​

Answer 1

Answer:

NO. 1

Evaporation of ocean water and formation of sea ice both increase the salinity of the ocean. However these "salinity raising" factors are continually counterbalanced by processes that decrease salinity such as the continuous input of fresh water from rivers, precipitation of rain and snow, and melting of ice

NO.2

Sea salt is salt that is produced by the evaporation of seawater. It is used as a seasoning in foods, cooking, cosmetics and for preserving food.

Answer 2

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Salt in the ocean comes from two sources: runoff from the land and openings in the seafloor. Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. ... Ocean water seeps into cracks in the seafloor and is heated by magma from the Earth's core.

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