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have the ocean always been salty ?why or why not?​

Sagot :

Answer:

But seawater wasn't always so salty; when the Earth's oceans first formed about 3.8 billion years ago, as the surface of the planet cooled enough to allow water vapour to liquify, the oceans were mostly fresh water...the runoff slowly carried the salt to nearby lakes and rivers, which in turn carried it to the seas.