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In which ways salt goes into the oceans?
Question Date: 2013-10-02
Answer 1:

Good question! Most of the salt in the ocean comes from two main sources: the continents and mid ocean ridges. Certain minerals in the continental crust contain the element sodium (Na), which is one of the elements in salt. Sodium dissolves easily in water, so when rain weathers the rocks on the continents, the sodium is carried into the oceans. Chlorine is the other element in salt. Chlorine is common in volcanic gases, and it may dissolve in rainwater when volcanoes erupt and get carried into the ocean. The other major source of salt is mid ocean ridges. Mid ocean ridges are essentially big long volcanoes where ocean crust is being created under the seafloor. Ocean water interacts with the hot rocks at ridges and can dissolve things like sodium and chlorine in that environment.

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