Question

why is the sea water salty?​

Answer 1

Answer:

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.The heated water is released through vents in the seafloor, carrying the metals with it.

Explanation:

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Answer 2

Answer:

Here is your answer.

Explanation:

Salt in the sea , or ocean salinity , is mainly caused by rain washing mineral ions from thw land into water .