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Q&A Is it possible for the oceans to freeze solid (at least on the surface)?

Can the oceans freeze (at least several feet below sea level)? I know that the temperature for salt water to freeze is lower/colder than fresh water, and when it does freeze, the ice is mostly salt...

4 answers  ·  posted 9y ago by Matt Woodspirit‭  ·  last activity 9y ago by Matt Woodspirit‭

Question water geology temperature water-bodies ice