• Question: Why is the ocean salty?

    Asked by Achsu to Silvia on 11 Nov 2016.
    • Photo: Silvia Pardo

      Silvia Pardo answered on 11 Nov 2016:

      Ocean salt comes from continental rocks. Rivers crossing the land erode the rocks and carry the different minerals, including salt, to the sea, where the particles get dissolved in the water or deposited in the bottom.

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